38797971 has 4 divisors (see below), whose sum is σ = 51730632. Its totient is φ = 25865312.

The previous prime is 38797949. The next prime is 38797973. The reversal of 38797971 is 17979783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38797971 - 2⁶ = 38797907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38797973) 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, 6466326 + ... + 6466331.

It is an arithmetic number, because the mean of its divisors is an integer number (12932658).

Almost surely, 2^38797971 is an apocalyptic number.

38797971 is a deficient number, since it is larger than the sum of its proper divisors (12932661).

38797971 is a wasteful number, since it uses less digits than its factorization.

38797971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12932660.

The product of its digits is 666792, while the sum is 51.

The square root of 38797971 is about 6228.8017306702. The cubic root of 38797971 is about 338.5345549810.

The spelling of 38797971 in words is "thirty-eight million, seven hundred ninety-seven thousand, nine hundred seventy-one".