3990310 has 8 divisors (see below), whose sum is σ = 7182576. Its totient is φ = 1596120.

The previous prime is 3990307. The next prime is 3990331. The reversal of 3990310 is 130993.

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

It is a super-2 number, since 2×3990310² = 31845147792200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199506 + ... + 199525.

It is an arithmetic number, because the mean of its divisors is an integer number (897822).

Almost surely, 2^3990310 is an apocalyptic number.

3990310 is a deficient number, since it is larger than the sum of its proper divisors (3192266).

3990310 is a wasteful number, since it uses less digits than its factorization.

3990310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399038.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 3990310 is about 1997.5760310937. The cubic root of 3990310 is about 158.6118189149.

The spelling of 3990310 in words is "three million, nine hundred ninety thousand, three hundred ten".