3696949 has 4 divisors (see below), whose sum is σ = 3824460. Its totient is φ = 3569440.

The previous prime is 3696947. The next prime is 3696977. The reversal of 3696949 is 9496963.

3696949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9496963 = 7 ⋅1356709.

It can be written as a sum of positive squares in 2 ways, for example, as 2196324 + 1500625 = 1482^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 3696949 - 2¹ = 3696947 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3696949 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3696899 and 3696908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3696941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63712 + ... + 63769.

It is an arithmetic number, because the mean of its divisors is an integer number (956115).

Almost surely, 2^3696949 is an apocalyptic number.

It is an amenable number.

3696949 is a deficient number, since it is larger than the sum of its proper divisors (127511).

3696949 is a wasteful number, since it uses less digits than its factorization.

3696949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127510.

The product of its digits is 314928, while the sum is 46.

The square root of 3696949 is about 1922.7451729233. The cubic root of 3696949 is about 154.6255128774.

The spelling of 3696949 in words is "three million, six hundred ninety-six thousand, nine hundred forty-nine".