633340 has 12 divisors (see below), whose sum is σ = 1330056. Its totient is φ = 253328.

The previous prime is 633337. The next prime is 633359. The reversal of 633340 is 43336.

It is a happy number.

It is a super-2 number, since 2×633340² = 802239111200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15814 + ... + 15853.

It is an arithmetic number, because the mean of its divisors is an integer number (110838).

2⁶³³³⁴⁰ is an apocalyptic number.

It is an amenable number.

633340 is an abundant number, since it is smaller than the sum of its proper divisors (696716).

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

633340 is a wasteful number, since it uses less digits than its factorization.

633340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31676 (or 31674 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 633340 is about 795.8266142823. The cubic root of 633340 is about 85.8774168457.

Adding to 633340 its reverse (43336), we get a palindrome (676676).

It can be divided in two parts, 63 and 3340, that added together give a triangular number (3403 = T₈₂).

The spelling of 633340 in words is "six hundred thirty-three thousand, three hundred forty".