632945 has 8 divisors (see below), whose sum is σ = 763944. Its totient is φ = 503424.

The previous prime is 632941. The next prime is 632971. The reversal of 632945 is 549236.

It can be written as a sum of positive squares in 4 ways, for example, as 73441 + 559504 = 271^2 + 748^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 632945 - 2² = 632941 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (95493).

2⁶³²⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

632945 is a deficient number, since it is larger than the sum of its proper divisors (130999).

632945 is a wasteful number, since it uses less digits than its factorization.

632945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its digits is 6480, while the sum is 29.

The square root of 632945 is about 795.5784059412. The cubic root of 632945 is about 85.8595598578.

The spelling of 632945 in words is "six hundred thirty-two thousand, nine hundred forty-five".