38091936 has 48 divisors (see below), whose sum is σ = 100324224. Its totient is φ = 12655104.

The previous prime is 38091931. The next prime is 38091943. The reversal of 38091936 is 63919083.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 38091894 and 38091903.

It is not an unprimeable number, because it can be changed into a prime (38091931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44020 + ... + 44876.

It is an arithmetic number, because the mean of its divisors is an integer number (2090088).

Almost surely, 2^38091936 is an apocalyptic number.

It is an amenable number.

38091936 is an abundant number, since it is smaller than the sum of its proper divisors (62232288).

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

38091936 is a wasteful number, since it uses less digits than its factorization.

38091936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 38091936 is about 6171.8664923992. The cubic root of 38091936 is about 336.4684508911.

The spelling of 38091936 in words is "thirty-eight million, ninety-one thousand, nine hundred thirty-six".