38136472 has 16 divisors (see below), whose sum is σ = 78006600. Its totient is φ = 17334720.

The previous prime is 38136463. The next prime is 38136473. The reversal of 38136472 is 27463183.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38136473) 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, 216597 + ... + 216772.

Almost surely, 2^38136472 is an apocalyptic number.

It is an amenable number.

38136472 is an abundant number, since it is smaller than the sum of its proper divisors (39870128).

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

38136472 is a wasteful number, since it uses less digits than its factorization.

38136472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433386 (or 433382 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 38136472 is about 6175.4734231474. The cubic root of 38136472 is about 336.5995295768.

Subtracting from 38136472 its reverse (27463183), we obtain a square (10673289 = 3267²).

The spelling of 38136472 in words is "thirty-eight million, one hundred thirty-six thousand, four hundred seventy-two".