633967 has 2 divisors, whose sum is σ = 633968. Its totient is φ = 633966.

The previous prime is 633961. The next prime is 633991. The reversal of 633967 is 769336.

It is a weak prime.

633967 is a truncatable prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-633967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (633961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316983 + 316984.

It is an arithmetic number, because the mean of its divisors is an integer number (316984).

2⁶³³⁹⁶⁷ is an apocalyptic number.

633967 is a deficient number, since it is larger than the sum of its proper divisors (1).

633967 is an equidigital number, since it uses as much as digits as its factorization.

633967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 34.

The square root of 633967 is about 796.2204468613. The cubic root of 633967 is about 85.9057467482.

It can be divided in two parts, 633 and 967, that added together give a square (1600 = 40²).

The spelling of 633967 in words is "six hundred thirty-three thousand, nine hundred sixty-seven".