38897238 has 16 divisors (see below), whose sum is σ = 77895360. Its totient is φ = 12948936.

The previous prime is 38897227. The next prime is 38897239. The reversal of 38897238 is 83279883.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38897239) 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 7 ways as a sum of consecutive naturals, for example, 1381 + ... + 8927.

It is an arithmetic number, because the mean of its divisors is an integer number (4868460).

Almost surely, 2^38897238 is an apocalyptic number.

38897238 is an abundant number, since it is smaller than the sum of its proper divisors (38998122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38897238 is a wasteful number, since it uses less digits than its factorization.

38897238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411.

The product of its digits is 580608, while the sum is 48.

The square root of 38897238 is about 6236.7650268388. The cubic root of 38897238 is about 338.8230296018.

The spelling of 38897238 in words is "thirty-eight million, eight hundred ninety-seven thousand, two hundred thirty-eight".