39331490 has 16 divisors (see below), whose sum is σ = 77232960. Its totient is φ = 14302320.

The previous prime is 39331447. The next prime is 39331499. The reversal of 39331490 is 9413393.

It is a super-2 number, since 2×39331490² = 3093932211240200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39331499) 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, 178670 + ... + 178889.

It is an arithmetic number, because the mean of its divisors is an integer number (4827060).

Almost surely, 2^39331490 is an apocalyptic number.

39331490 is a deficient number, since it is larger than the sum of its proper divisors (37901470).

39331490 is a wasteful number, since it uses less digits than its factorization.

39331490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357577.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 39331490 is about 6271.4822809285. The cubic root of 39331490 is about 340.0792491161.

The spelling of 39331490 in words is "thirty-nine million, three hundred thirty-one thousand, four hundred ninety".