38394930 has 48 divisors (see below), whose sum is σ = 107196480. Its totient is φ = 8775648.

The previous prime is 38394919. The next prime is 38394931. The reversal of 38394930 is 3949383.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38394931) 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, 11590 + ... + 14529.

It is an arithmetic number, because the mean of its divisors is an integer number (2233260).

Almost surely, 2^38394930 is an apocalyptic number.

38394930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38394930 is an abundant number, since it is smaller than the sum of its proper divisors (68801550).

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

38394930 is a wasteful number, since it uses less digits than its factorization.

38394930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26143 (or 26136 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 38394930 is about 6196.3642565621. The cubic root of 38394930 is about 337.3582175380.

The spelling of 38394930 in words is "thirty-eight million, three hundred ninety-four thousand, nine hundred thirty".