38091948 has 48 divisors (see below), whose sum is σ = 91609056. Its totient is φ = 12313600.

The previous prime is 38091943. The next prime is 38091953. The reversal of 38091948 is 84919083.

It is an interprime number because it is at equal distance from previous prime (38091943) and next prime (38091953).

It is not an unprimeable number, because it can be changed into a prime (38091943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63940 + ... + 64532.

It is an arithmetic number, because the mean of its divisors is an integer number (1908522).

Almost surely, 2^38091948 is an apocalyptic number.

It is an amenable number.

38091948 is an abundant number, since it is smaller than the sum of its proper divisors (53517108).

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

38091948 is a wasteful number, since it uses less digits than its factorization.

38091948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 38091948 is about 6171.8674645524. The cubic root of 38091948 is about 336.4684862233.

The spelling of 38091948 in words is "thirty-eight million, ninety-one thousand, nine hundred forty-eight".