38798418 has 16 divisors (see below), whose sum is σ = 81681120. Its totient is φ = 12252096.

The previous prime is 38798407. The next prime is 38798449. The reversal of 38798418 is 81489783.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170055 + ... + 170282.

It is an arithmetic number, because the mean of its divisors is an integer number (5105070).

Almost surely, 2^38798418 is an apocalyptic number.

38798418 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38798418 is an abundant number, since it is smaller than the sum of its proper divisors (42882702).

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

38798418 is a wasteful number, since it uses less digits than its factorization.

38798418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340361.

The product of its digits is 387072, while the sum is 48.

The square root of 38798418 is about 6228.8376122676. The cubic root of 38798418 is about 338.5358550865.

The spelling of 38798418 in words is "thirty-eight million, seven hundred ninety-eight thousand, four hundred eighteen".