38939264 has 64 divisors (see below), whose sum is σ = 95504640. Its totient is φ = 15399936.

The previous prime is 38939249. The next prime is 38939267. The reversal of 38939264 is 46293983.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38939267) 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, 9977 + ... + 13319.

It is an arithmetic number, because the mean of its divisors is an integer number (1492260).

Almost surely, 2^38939264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38939264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47752320).

38939264 is an abundant number, since it is smaller than the sum of its proper divisors (56565376).

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

38939264 is a wasteful number, since it uses less digits than its factorization.

38939264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377 (or 3365 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 38939264 is about 6240.1333319089. The cubic root of 38939264 is about 338.9450112831.

The spelling of 38939264 in words is "thirty-eight million, nine hundred thirty-nine thousand, two hundred sixty-four".