38868090 has 16 divisors (see below), whose sum is σ = 93283488. Its totient is φ = 10364816.

The previous prime is 38868073. The next prime is 38868097. The reversal of 38868090 is 9086883.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38868097) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 647772 + ... + 647831.

It is an arithmetic number, because the mean of its divisors is an integer number (5830218).

Almost surely, 2^38868090 is an apocalyptic number.

38868090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38868090 is an abundant number, since it is smaller than the sum of its proper divisors (54415398).

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

38868090 is a wasteful number, since it uses less digits than its factorization.

38868090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295613.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 38868090 is about 6234.4278005283. The cubic root of 38868090 is about 338.7383750771.

The spelling of 38868090 in words is "thirty-eight million, eight hundred sixty-eight thousand, ninety".