3693949 has 8 divisors (see below), whose sum is σ = 4233920. Its totient is φ = 3157056.

The previous prime is 3693883. The next prime is 3693953. The reversal of 3693949 is 9493963.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3693949 - 2¹⁵ = 3661181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3693959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157 + ... + 4165.

It is an arithmetic number, because the mean of its divisors is an integer number (529240).

Almost surely, 2^3693949 is an apocalyptic number.

It is an amenable number.

3693949 is a deficient number, since it is larger than the sum of its proper divisors (539971).

3693949 is a wasteful number, since it uses less digits than its factorization.

3693949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539.

The product of its digits is 157464, while the sum is 43.

The square root of 3693949 is about 1921.9648800121. The cubic root of 3693949 is about 154.5836763909.

The spelling of 3693949 in words is "three million, six hundred ninety-three thousand, nine hundred forty-nine".