633408 has 28 divisors (see below), whose sum is σ = 1676400. Its totient is φ = 211072.

The previous prime is 633407. The next prime is 633427. The reversal of 633408 is 804336.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

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, 1458 + ... + 1841.

2⁶³³⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

633408 is an abundant number, since it is smaller than the sum of its proper divisors (1042992).

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

633408 is a wasteful number, since it uses less digits than its factorization.

633408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 633408 is about 795.8693360094. The cubic root of 633408 is about 85.8804902109.

The spelling of 633408 in words is "six hundred thirty-three thousand, four hundred eight".