402532 has 12 divisors (see below), whose sum is σ = 758716. Its totient is φ = 185760.

The previous prime is 402529. The next prime is 402541. The reversal of 402532 is 235204.

It can be written as a sum of positive squares in 2 ways, for example, as 70756 + 331776 = 266^2 + 576^2 .

It is a super-2 number, since 2×402532² = 324064022048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3819 + ... + 3922.

2⁴⁰²⁵³² is an apocalyptic number.

It is an amenable number.

402532 is a deficient number, since it is larger than the sum of its proper divisors (356184).

402532 is a wasteful number, since it uses less digits than its factorization.

402532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7758 (or 7756 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 402532 is about 634.4540960542. The cubic root of 402532 is about 73.8357692173.

Adding to 402532 its reverse (235204), we get a palindrome (637736).

The spelling of 402532 in words is "four hundred two thousand, five hundred thirty-two".