3499649 has 4 divisors (see below), whose sum is σ = 3532464. Its totient is φ = 3466836.

The previous prime is 3499619. The next prime is 3499651. The reversal of 3499649 is 9469943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9469943 = 7 ⋅1352849.

It is a cyclic number.

It is not a de Polignac number, because 3499649 - 2¹² = 3495553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3499609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16247 + ... + 16460.

It is an arithmetic number, because the mean of its divisors is an integer number (883116).

Almost surely, 2^3499649 is an apocalyptic number.

It is an amenable number.

3499649 is a deficient number, since it is larger than the sum of its proper divisors (32815).

3499649 is a wasteful number, since it uses less digits than its factorization.

3499649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32814.

The product of its digits is 209952, while the sum is 44.

The square root of 3499649 is about 1870.7348823390. The cubic root of 3499649 is about 151.8243729825.

The spelling of 3499649 in words is "three million, four hundred ninety-nine thousand, six hundred forty-nine".