39607990 has 8 divisors (see below), whose sum is σ = 71294400. Its totient is φ = 15843192.

The previous prime is 39607979. The next prime is 39607991. The reversal of 39607990 is 9970693.

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

It is a super-4 number, since 4×39607990⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39607991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980390 + ... + 1980409.

It is an arithmetic number, because the mean of its divisors is an integer number (8911800).

Almost surely, 2^39607990 is an apocalyptic number.

39607990 is a deficient number, since it is larger than the sum of its proper divisors (31686410).

39607990 is a wasteful number, since it uses less digits than its factorization.

39607990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960806.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 39607990 is about 6293.4879041752. The cubic root of 39607990 is about 340.8743068941.

The spelling of 39607990 in words is "thirty-nine million, six hundred seven thousand, nine hundred ninety".