38264440 has 32 divisors (see below), whose sum is σ = 87192000. Its totient is φ = 15110784.

The previous prime is 38264431. The next prime is 38264441. The reversal of 38264440 is 4446283.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38264441) 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, 2895 + ... + 9214.

It is an arithmetic number, because the mean of its divisors is an integer number (2724750).

Almost surely, 2^38264440 is an apocalyptic number.

It is an amenable number.

38264440 is an abundant number, since it is smaller than the sum of its proper divisors (48927560).

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

38264440 is a wasteful number, since it uses less digits than its factorization.

38264440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12199 (or 12195 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 38264440 is about 6185.8257330772. The cubic root of 38264440 is about 336.9755989694.

The spelling of 38264440 in words is "thirty-eight million, two hundred sixty-four thousand, four hundred forty".