38897967 has 8 divisors (see below), whose sum is σ = 52081920. Its totient is φ = 25823000.

The previous prime is 38897951. The next prime is 38897981. The reversal of 38897967 is 76979883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38897967 - 2⁴ = 38897951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38897917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26409 + ... + 27842.

It is an arithmetic number, because the mean of its divisors is an integer number (6510240).

Almost surely, 2^38897967 is an apocalyptic number.

38897967 is a deficient number, since it is larger than the sum of its proper divisors (13183953).

38897967 is a wasteful number, since it uses less digits than its factorization.

38897967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54493.

The product of its digits is 4572288, while the sum is 57.

The square root of 38897967 is about 6236.8234703253. The cubic root of 38897967 is about 338.8251462940.

The spelling of 38897967 in words is "thirty-eight million, eight hundred ninety-seven thousand, nine hundred sixty-seven".