232778364 has 96 divisors (see below), whose sum is σ = 680010240. Its totient is φ = 60334848.

The previous prime is 232778353. The next prime is 232778387. The reversal of 232778364 is 463877232.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62622 + ... + 66234.

It is an arithmetic number, because the mean of its divisors is an integer number (7083440).

Almost surely, 2^232778364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232778364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340005120).

232778364 is an abundant number, since it is smaller than the sum of its proper divisors (447231876).

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

232778364 is a wasteful number, since it uses less digits than its factorization.

232778364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699 (or 3697 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 232778364 is about 15257.0758666266. The cubic root of 232778364 is about 615.1497764627.

The spelling of 232778364 in words is "two hundred thirty-two million, seven hundred seventy-eight thousand, three hundred sixty-four".