38987232 has 24 divisors (see below), whose sum is σ = 102341736. Its totient is φ = 12995712.

The previous prime is 38987227. The next prime is 38987237. The reversal of 38987232 is 23278983.

It is an interprime number because it is at equal distance from previous prime (38987227) and next prime (38987237).

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

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 (38987237) 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, 202963 + ... + 203154.

It is an arithmetic number, because the mean of its divisors is an integer number (4264239).

Almost surely, 2^38987232 is an apocalyptic number.

38987232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38987232 is an abundant number, since it is smaller than the sum of its proper divisors (63354504).

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

38987232 is a wasteful number, since it uses less digits than its factorization.

38987232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406130 (or 406122 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 38987232 is about 6243.9756565829. The cubic root of 38987232 is about 339.0841325803.

The spelling of 38987232 in words is "thirty-eight million, nine hundred eighty-seven thousand, two hundred thirty-two".