39320990 has 8 divisors (see below), whose sum is σ = 70777800. Its totient is φ = 15728392.

The previous prime is 39320977. The next prime is 39321011. The reversal of 39320990 is 9902393.

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

It is a super-2 number, since 2×39320990² = 3092280509160200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39320990.

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, 1966040 + ... + 1966059.

It is an arithmetic number, because the mean of its divisors is an integer number (8847225).

Almost surely, 2^39320990 is an apocalyptic number.

39320990 is a deficient number, since it is larger than the sum of its proper divisors (31456810).

39320990 is a wasteful number, since it uses less digits than its factorization.

39320990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932106.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 39320990 is about 6270.6451023798. The cubic root of 39320990 is about 340.0489837154.

The spelling of 39320990 in words is "thirty-nine million, three hundred twenty thousand, nine hundred ninety".