402284232 has 160 divisors (see below), whose sum is σ = 1299481920. Its totient is φ = 113892480.

The previous prime is 402284231. The next prime is 402284249. The reversal of 402284232 is 232482204.

402284232 is a `hidden beast` number, since 402 + 28 + 4 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 402284196 and 402284205.

It is not an unprimeable number, because it can be changed into a prime (402284231) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 593878 + ... + 594554.

It is an arithmetic number, because the mean of its divisors is an integer number (8121762).

Almost surely, 2^402284232 is an apocalyptic number.

402284232 is a gapful number since it is divisible by the number (42) 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 402284232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649740960).

402284232 is an abundant number, since it is smaller than the sum of its proper divisors (897197688).

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

402284232 is a wasteful number, since it uses less digits than its factorization.

402284232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 402284232 is about 20057.0245051453. The cubic root of 402284232 is about 738.2061688515.

The spelling of 402284232 in words is "four hundred two million, two hundred eighty-four thousand, two hundred thirty-two".