402344032 has 24 divisors (see below), whose sum is σ = 838710936. Its totient is φ = 189338112.

The previous prime is 402344027. The next prime is 402344081. The reversal of 402344032 is 230443204.

It is a junction number, because it is equal to n+sod(n) for n = 402343994 and 402344012.

It is a congruent number.

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, 369258 + ... + 370345.

It is an arithmetic number, because the mean of its divisors is an integer number (34946289).

Almost surely, 2^402344032 is an apocalyptic number.

It is an amenable number.

402344032 is an abundant number, since it is smaller than the sum of its proper divisors (436366904).

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

402344032 is a wasteful number, since it uses less digits than its factorization.

402344032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739630 (or 739622 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 402344032 is about 20058.5151992863. The cubic root of 402344032 is about 738.2427454294.

Adding to 402344032 its reverse (230443204), we get a palindrome (632787236).

The spelling of 402344032 in words is "four hundred two million, three hundred forty-four thousand, thirty-two".