38737990 has 8 divisors (see below), whose sum is σ = 69728400. Its totient is φ = 15495192.

The previous prime is 38737973. The next prime is 38738027. The reversal of 38737990 is 9973783.

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

It is a self number, because there is not a number n which added to its sum of digits gives 38737990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1936890 + ... + 1936909.

It is an arithmetic number, because the mean of its divisors is an integer number (8716050).

Almost surely, 2^38737990 is an apocalyptic number.

38737990 is a deficient number, since it is larger than the sum of its proper divisors (30990410).

38737990 is a wasteful number, since it uses less digits than its factorization.

38737990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873806.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 38737990 is about 6223.9850578227. The cubic root of 38737990 is about 338.3600087897.

The spelling of 38737990 in words is "thirty-eight million, seven hundred thirty-seven thousand, nine hundred ninety".