38587872 has 24 divisors (see below), whose sum is σ = 101293416. Its totient is φ = 12862592.

The previous prime is 38587867. The next prime is 38587877. The reversal of 38587872 is 27878583.

It is an interprime number because it is at equal distance from previous prime (38587867) and next prime (38587877).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38587877) 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, 200883 + ... + 201074.

It is an arithmetic number, because the mean of its divisors is an integer number (4220559).

Almost surely, 2^38587872 is an apocalyptic number.

38587872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38587872 is an abundant number, since it is smaller than the sum of its proper divisors (62705544).

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

38587872 is a wasteful number, since it uses less digits than its factorization.

38587872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401970 (or 401962 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The square root of 38587872 is about 6211.9137147903. The cubic root of 38587872 is about 337.9223705104.

The spelling of 38587872 in words is "thirty-eight million, five hundred eighty-seven thousand, eight hundred seventy-two".