632669 has 2 divisors, whose sum is σ = 632670. Its totient is φ = 632668.

The previous prime is 632647. The next prime is 632677. The reversal of 632669 is 966236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407044 + 225625 = 638^2 + 475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632669 is a prime.

It is a super-2 number, since 2×632669² = 800540127122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316334 + 316335.

It is an arithmetic number, because the mean of its divisors is an integer number (316335).

2⁶³²⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

632669 is a deficient number, since it is larger than the sum of its proper divisors (1).

632669 is an equidigital number, since it uses as much as digits as its factorization.

632669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 632669 is about 795.4049283227. The cubic root of 632669 is about 85.8470781604.

The spelling of 632669 in words is "six hundred thirty-two thousand, six hundred sixty-nine".