3294639 has 12 divisors (see below), whose sum is σ = 4849416. Its totient is φ = 2154672.

The previous prime is 3294631. The next prime is 3294659. The reversal of 3294639 is 9364923.

It is a happy number.

It is not a de Polignac number, because 3294639 - 2³ = 3294631 is a prime.

It is a super-2 number, since 2×3294639² = 21709292280642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3294631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2977 + ... + 3930.

It is an arithmetic number, because the mean of its divisors is an integer number (404118).

Almost surely, 2^3294639 is an apocalyptic number.

3294639 is a deficient number, since it is larger than the sum of its proper divisors (1554777).

3294639 is a wasteful number, since it uses less digits than its factorization.

3294639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966 (or 6963 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 3294639 is about 1815.1140460037. The cubic root of 3294639 is about 148.7998905219.

The spelling of 3294639 in words is "three million, two hundred ninety-four thousand, six hundred thirty-nine".