402592 has 24 divisors (see below), whose sum is σ = 828576. Its totient is φ = 192192.

The previous prime is 402587. The next prime is 402593. The reversal of 402592 is 295204.

It is a happy number.

402592 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (402593) by changing a digit.

402592 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463 + ... + 1009.

It is an arithmetic number, because the mean of its divisors is an integer number (34524).

2⁴⁰²⁵⁹² 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 402592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414288).

402592 is an abundant number, since it is smaller than the sum of its proper divisors (425984).

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

402592 is a wasteful number, since it uses less digits than its factorization.

402592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 402592 is about 634.5013790371. The cubic root of 402592 is about 73.8394376014.

Adding to 402592 its reverse (295204), we get a palindrome (697796).

The spelling of 402592 in words is "four hundred two thousand, five hundred ninety-two".