38312897 has 4 divisors (see below), whose sum is σ = 43786176. Its totient is φ = 32839620.

The previous prime is 38312893. The next prime is 38312899. The reversal of 38312897 is 79821383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38312897 - 2² = 38312893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38312893) 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 3 ways as a sum of consecutive naturals, for example, 2736629 + ... + 2736642.

It is an arithmetic number, because the mean of its divisors is an integer number (10946544).

Almost surely, 2^38312897 is an apocalyptic number.

It is an amenable number.

38312897 is a deficient number, since it is larger than the sum of its proper divisors (5473279).

38312897 is an equidigital number, since it uses as much as digits as its factorization.

38312897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473278.

The product of its digits is 72576, while the sum is 41.

The square root of 38312897 is about 6189.7412708448. The cubic root of 38312897 is about 337.1177844089.

The spelling of 38312897 in words is "thirty-eight million, three hundred twelve thousand, eight hundred ninety-seven".