229931408 has 20 divisors (see below), whose sum is σ = 509134080. Its totient is φ = 98541984.

The previous prime is 229931389. The next prime is 229931479. The reversal of 229931408 is 804139922.

229931408 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026368 + ... + 1026591.

It is an arithmetic number, because the mean of its divisors is an integer number (25456704).

Almost surely, 2^229931408 is an apocalyptic number.

229931408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

229931408 is an abundant number, since it is smaller than the sum of its proper divisors (279202672).

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

229931408 is a wasteful number, since it uses less digits than its factorization.

229931408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052974 (or 2052968 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 229931408 is about 15163.4893082034. The cubic root of 229931408 is about 612.6316544982.

The spelling of 229931408 in words is "two hundred twenty-nine million, nine hundred thirty-one thousand, four hundred eight".