38125818 has 48 divisors (see below), whose sum is σ = 89107200. Its totient is φ = 11741760.

The previous prime is 38125817. The next prime is 38125823. The reversal of 38125818 is 81852183.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38125811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12663 + ... + 15381.

It is an arithmetic number, because the mean of its divisors is an integer number (1856400).

Almost surely, 2^38125818 is an apocalyptic number.

38125818 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38125818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44553600).

38125818 is an abundant number, since it is smaller than the sum of its proper divisors (50981382).

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

38125818 is a wasteful number, since it uses less digits than its factorization.

38125818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787 (or 2784 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 38125818 is about 6174.6107569627. The cubic root of 38125818 is about 336.5681819350.

The spelling of 38125818 in words is "thirty-eight million, one hundred twenty-five thousand, eight hundred eighteen".