38078690 has 32 divisors (see below), whose sum is σ = 74088000. Its totient is φ = 14007744.

The previous prime is 38078683. The next prime is 38078737. The reversal of 38078690 is 9687083.

It is a super-2 number, since 2×38078690² = 2899973264232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64577 + ... + 65163.

It is an arithmetic number, because the mean of its divisors is an integer number (2315250).

Almost surely, 2^38078690 is an apocalyptic number.

38078690 is a deficient number, since it is larger than the sum of its proper divisors (36009310).

38078690 is a wasteful number, since it uses less digits than its factorization.

38078690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 38078690 is about 6170.7933039440. The cubic root of 38078690 is about 336.4294454543.

The spelling of 38078690 in words is "thirty-eight million, seventy-eight thousand, six hundred ninety".