38387572 has 12 divisors (see below), whose sum is σ = 67395076. Its totient is φ = 19131840.

The previous prime is 38387551. The next prime is 38387593. The reversal of 38387572 is 27578383.

It is an interprime number because it is at equal distance from previous prime (38387551) and next prime (38387593).

It can be written as a sum of positive squares in 2 ways, for example, as 19412836 + 18974736 = 4406^2 + 4356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14079 + ... + 16582.

Almost surely, 2^38387572 is an apocalyptic number.

It is an amenable number.

38387572 is a deficient number, since it is larger than the sum of its proper divisors (29007504).

38387572 is a wasteful number, since it uses less digits than its factorization.

38387572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30978 (or 30976 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 38387572 is about 6195.7704928443. The cubic root of 38387572 is about 337.3366657311.

The spelling of 38387572 in words is "thirty-eight million, three hundred eighty-seven thousand, five hundred seventy-two".