402452 has 6 divisors (see below), whose sum is σ = 704298. Its totient is φ = 201224.

The previous prime is 402443. The next prime is 402487. The reversal of 402452 is 254204.

402452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 364816 + 37636 = 604^2 + 194^2 .

It is a super-2 number, since 2×402452² = 323935224608, which contains 22 as substring.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 402452.

It is a congruent number.

It is an unprimeable number.

402452 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 as a sum of consecutive naturals, namely, 50303 + ... + 50310.

It is an arithmetic number, because the mean of its divisors is an integer number (117383).

2⁴⁰²⁴⁵² is an apocalyptic number.

It is an amenable number.

402452 is a deficient number, since it is larger than the sum of its proper divisors (301846).

402452 is a wasteful number, since it uses less digits than its factorization.

402452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100617 (or 100615 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 402452 is about 634.3910465951. The cubic root of 402452 is about 73.8308774713.

Adding to 402452 its reverse (254204), we get a palindrome (656656).

The spelling of 402452 in words is "four hundred two thousand, four hundred fifty-two".