38803881 has 4 divisors (see below), whose sum is σ = 51738512. Its totient is φ = 25869252.

The previous prime is 38803859. The next prime is 38803883. The reversal of 38803881 is 18830883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38803881 - 2²¹ = 36706729 is a prime.

It is a super-2 number, since 2×38803881² = 3011482361324322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38803883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6467311 + ... + 6467316.

It is an arithmetic number, because the mean of its divisors is an integer number (12934628).

Almost surely, 2^38803881 is an apocalyptic number.

It is an amenable number.

38803881 is a deficient number, since it is larger than the sum of its proper divisors (12934631).

38803881 is a wasteful number, since it uses less digits than its factorization.

38803881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12934630.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 38803881 is about 6229.2761216694. The cubic root of 38803881 is about 338.5517434884.

The spelling of 38803881 in words is "thirty-eight million, eight hundred three thousand, eight hundred eighty-one".