38400597 has 6 divisors (see below), whose sum is σ = 55467542. Its totient is φ = 25600392.

The previous prime is 38400587. The next prime is 38400613. The reversal of 38400597 is 79500483.

38400597 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 19660356 + 18740241 = 4434^2 + 4329^2 .

It is not a de Polignac number, because 38400597 - 2¹⁶ = 38335061 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 (38400587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2133358 + ... + 2133375.

Almost surely, 2^38400597 is an apocalyptic number.

It is an amenable number.

38400597 is a deficient number, since it is larger than the sum of its proper divisors (17066945).

38400597 is a wasteful number, since it uses less digits than its factorization.

38400597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266739 (or 4266736 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 38400597 is about 6196.8215239750. The cubic root of 38400597 is about 337.3748144773.

The spelling of 38400597 in words is "thirty-eight million, four hundred thousand, five hundred ninety-seven".