38959797 has 4 divisors (see below), whose sum is σ = 51946400. Its totient is φ = 25973196.

The previous prime is 38959787. The next prime is 38959813. The reversal of 38959797 is 79795983.

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 not a de Polignac number, because 38959797 - 2¹² = 38955701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38959727) 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, 6493297 + ... + 6493302.

It is an arithmetic number, because the mean of its divisors is an integer number (12986600).

Almost surely, 2^38959797 is an apocalyptic number.

It is an amenable number.

38959797 is a deficient number, since it is larger than the sum of its proper divisors (12986603).

38959797 is a wasteful number, since it uses less digits than its factorization.

38959797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12986602.

The product of its digits is 4286520, while the sum is 57.

The square root of 38959797 is about 6241.7783523608. The cubic root of 38959797 is about 339.0045769955.

The spelling of 38959797 in words is "thirty-eight million, nine hundred fifty-nine thousand, seven hundred ninety-seven".