633402 has 48 divisors (see below), whose sum is σ = 1714752. Its totient is φ = 164160.

The previous prime is 633401. The next prime is 633407. The reversal of 633402 is 204336.

633402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×633402⁵ (a number of 30 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (633401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1158 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (35724).

2⁶³³⁴⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 633402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (857376).

633402 is an abundant number, since it is smaller than the sum of its proper divisors (1081350).

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

633402 is a wasteful number, since it uses less digits than its factorization.

633402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 480 counting only the distinct ones).

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

The square root of 633402 is about 795.8655665375. The cubic root of 633402 is about 85.8802190404.

Adding to 633402 its reverse (204336), we get a palindrome (837738).

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

The spelling of 633402 in words is "six hundred thirty-three thousand, four hundred two".