38793490 has 16 divisors (see below), whose sum is σ = 73936152. Its totient is φ = 14604544.

The previous prime is 38793481. The next prime is 38793523. The reversal of 38793490 is 9439783.

38793490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 33744481 + 5049009 = 5809^2 + 2247^2 .

It is a super-5 number, since 5×38793490⁵ (a number of 39 digits) contains 55555 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113929 + ... + 114268.

Almost surely, 2^38793490 is an apocalyptic number.

38793490 is a deficient number, since it is larger than the sum of its proper divisors (35142662).

38793490 is a wasteful number, since it uses less digits than its factorization.

38793490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228221.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 38793490 is about 6228.4420202808. The cubic root of 38793490 is about 338.5215213806.

The spelling of 38793490 in words is "thirty-eight million, seven hundred ninety-three thousand, four hundred ninety".