38897199 has 64 divisors (see below), whose sum is σ = 67852800. Its totient is φ = 21772800.

The previous prime is 38897197. The next prime is 38897213. The reversal of 38897199 is 99179883.

It is not a de Polignac number, because 38897199 - 2¹ = 38897197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38897191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 344167 + ... + 344279.

It is an arithmetic number, because the mean of its divisors is an integer number (1060200).

Almost surely, 2^38897199 is an apocalyptic number.

38897199 is a deficient number, since it is larger than the sum of its proper divisors (28955601).

38897199 is a wasteful number, since it uses less digits than its factorization.

38897199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 38897199 is about 6236.7619002171. The cubic root of 38897199 is about 338.8229163624.

The spelling of 38897199 in words is "thirty-eight million, eight hundred ninety-seven thousand, one hundred ninety-nine".