402633 has 36 divisors (see below), whose sum is σ = 746928. Its totient is φ = 206640.

The previous prime is 402631. The next prime is 402691. The reversal of 402633 is 336204.

It is not a de Polignac number, because 402633 - 2¹ = 402631 is a prime.

It is a super-2 number, since 2×402633² = 324226665378, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (402631) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4810 + ... + 4892.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2⁴⁰²⁶³³ is an apocalyptic number.

It is an amenable number.

402633 is a deficient number, since it is larger than the sum of its proper divisors (344295).

402633 is a wasteful number, since it uses less digits than its factorization.

402633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 402633 is about 634.5336870490. The cubic root of 402633 is about 73.8419441210.

Adding to 402633 its reverse (336204), we get a palindrome (738837).

It can be divided in two parts, 402 and 633, that added together give a triangular number (1035 = T₄₅).

The spelling of 402633 in words is "four hundred two thousand, six hundred thirty-three".