938672280 has 256 divisors, whose sum is σ = 3851366400. Its totient is φ = 198028800.

The previous prime is 938672279. The next prime is 938672299. The reversal of 938672280 is 82276839.

It is a super-2 number, since 2×938672280² = 1762211298480796800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93505 + ... + 103055.

It is an arithmetic number, because the mean of its divisors is an integer number (15044400).

Almost surely, 2^938672280 is an apocalyptic number.

938672280 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938672280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925683200).

938672280 is an abundant number, since it is smaller than the sum of its proper divisors (2912694120).

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

938672280 is a wasteful number, since it uses less digits than its factorization.

938672280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9591 (or 9581 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 938672280 is about 30637.7590564323. The cubic root of 938672280 is about 979.1246800245.

The spelling of 938672280 in words is "nine hundred thirty-eight million, six hundred seventy-two thousand, two hundred eighty".