38713290 has 64 divisors (see below), whose sum is σ = 115845120. Its totient is φ = 8043840.

The previous prime is 38713273. The next prime is 38713303. The reversal of 38713290 is 9231783.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6070 + ... + 10689.

It is an arithmetic number, because the mean of its divisors is an integer number (1810080).

Almost surely, 2^38713290 is an apocalyptic number.

38713290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38713290 is an abundant number, since it is smaller than the sum of its proper divisors (77131830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38713290 is a wasteful number, since it uses less digits than its factorization.

38713290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16787.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 38713290 is about 6222.0004821601. Note that the first 3 decimals coincide. The cubic root of 38713290 is about 338.2880788046.

The spelling of 38713290 in words is "thirty-eight million, seven hundred thirteen thousand, two hundred ninety".