39321490 has 32 divisors (see below), whose sum is σ = 79543296. Its totient is φ = 13886400.

The previous prime is 39321487. The next prime is 39321517. The reversal of 39321490 is 9412393.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586 + ... + 9565.

It is an arithmetic number, because the mean of its divisors is an integer number (2485728).

Almost surely, 2^39321490 is an apocalyptic number.

39321490 is an abundant number, since it is smaller than the sum of its proper divisors (40221806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39321490 is a wasteful number, since it uses less digits than its factorization.

39321490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 39321490 is about 6270.6849705594. The cubic root of 39321490 is about 340.0504250471.

The spelling of 39321490 in words is "thirty-nine million, three hundred twenty-one thousand, four hundred ninety".