38713951 has 6 divisors (see below), whose sum is σ = 39789960. Its totient is φ = 37666296.

The previous prime is 38713949. The next prime is 38713973. The reversal of 38713951 is 15931783.

It is a happy number.

It is not a de Polignac number, because 38713951 - 2¹ = 38713949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38713951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38713921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12771 + ... + 15508.

It is an arithmetic number, because the mean of its divisors is an integer number (6631660).

Almost surely, 2^38713951 is an apocalyptic number.

38713951 is a deficient number, since it is larger than the sum of its proper divisors (1076009).

38713951 is an equidigital number, since it uses as much as digits as its factorization.

38713951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28353 (or 28316 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 38713951 is about 6222.0535998977. The cubic root of 38713951 is about 338.2900041309.

The spelling of 38713951 in words is "thirty-eight million, seven hundred thirteen thousand, nine hundred fifty-one".