38711472 has 80 divisors (see below), whose sum is σ = 104493312. Its totient is φ = 12337920.

The previous prime is 38711471. The next prime is 38711473. The reversal of 38711472 is 27411783.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38711471) and next prime (38711473).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38711471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125943 + ... + 126249.

Almost surely, 2^38711472 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 38711472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52246656).

38711472 is an abundant number, since it is smaller than the sum of its proper divisors (65781840).

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

38711472 is a wasteful number, since it uses less digits than its factorization.

38711472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 420 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 38711472 is about 6221.8543859528. The cubic root of 38711472 is about 338.2827833160.

The spelling of 38711472 in words is "thirty-eight million, seven hundred eleven thousand, four hundred seventy-two".