632954643 has 4 divisors (see below), whose sum is σ = 843939528. Its totient is φ = 421969760.

The previous prime is 632954639. The next prime is 632954653. The reversal of 632954643 is 346459236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 632954643 - 2² = 632954639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 632954595 and 632954604.

It is not an unprimeable number, because it can be changed into a prime (632954633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105492438 + ... + 105492443.

It is an arithmetic number, because the mean of its divisors is an integer number (210984882).

Almost surely, 2^632954643 is an apocalyptic number.

632954643 is a deficient number, since it is larger than the sum of its proper divisors (210984885).

632954643 is a wasteful number, since it uses less digits than its factorization.

632954643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210984884.

The product of its digits is 466560, while the sum is 42.

The square root of 632954643 is about 25158.5898452199. The cubic root of 632954643 is about 858.5999588277.

The spelling of 632954643 in words is "six hundred thirty-two million, nine hundred fifty-four thousand, six hundred forty-three".