38936418 has 16 divisors (see below), whose sum is σ = 78325056. Its totient is φ = 12903440.

The previous prime is 38936411. The next prime is 38936423. The reversal of 38936418 is 81463983.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38936418.

It is not an unprimeable number, because it can be changed into a prime (38936411) 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, 17718 + ... + 19793.

It is an arithmetic number, because the mean of its divisors is an integer number (4895316).

Almost surely, 2^38936418 is an apocalyptic number.

38936418 is an abundant number, since it is smaller than the sum of its proper divisors (39388638).

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

38936418 is a wasteful number, since it uses less digits than its factorization.

38936418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37689.

The product of its digits is 124416, while the sum is 42.

The square root of 38936418 is about 6239.9052877428. The cubic root of 38936418 is about 338.9367534571.

The spelling of 38936418 in words is "thirty-eight million, nine hundred thirty-six thousand, four hundred eighteen".