380438898 has 32 divisors (see below), whose sum is σ = 874098816. Its totient is φ = 108131328.

The previous prime is 380438893. The next prime is 380438909. The reversal of 380438898 is 898834083.

It is a super-2 number, since 2×380438898² = 289467510222908808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 380438898.

It is not an unprimeable number, because it can be changed into a prime (380438893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15361 + ... + 31572.

It is an arithmetic number, because the mean of its divisors is an integer number (27315588).

Almost surely, 2^380438898 is an apocalyptic number.

380438898 is an abundant number, since it is smaller than the sum of its proper divisors (493659918).

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

380438898 is a wasteful number, since it uses less digits than its factorization.

380438898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47138.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 380438898 is about 19504.8429370759. The cubic root of 380438898 is about 724.5943973046.

The spelling of 380438898 in words is "three hundred eighty million, four hundred thirty-eight thousand, eight hundred ninety-eight".