3499690 has 16 divisors (see below), whose sum is σ = 6327720. Its totient is φ = 1393600.

The previous prime is 3499681. The next prime is 3499697. The reversal of 3499690 is 969943.

It can be written as a sum of positive squares in 4 ways, for example, as 720801 + 2778889 = 849^2 + 1667^2 .

It is a super-2 number, since 2×3499690² = 24495660192200, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (3499697) 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, 2040 + ... + 3340.

Almost surely, 2^3499690 is an apocalyptic number.

3499690 is a deficient number, since it is larger than the sum of its proper divisors (2828030).

3499690 is a wasteful number, since it uses less digits than its factorization.

3499690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 3499690 is about 1870.7458405673. The cubic root of 3499690 is about 151.8249658777.

The spelling of 3499690 in words is "three million, four hundred ninety-nine thousand, six hundred ninety".