632047839 has 4 divisors (see below), whose sum is σ = 842730456. Its totient is φ = 421365224.

The previous prime is 632047831. The next prime is 632047847. The reversal of 632047839 is 938740236.

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

It is an interprime number because it is at equal distance from previous prime (632047831) and next prime (632047847).

It is a cyclic number.

It is not a de Polignac number, because 632047839 - 2³ = 632047831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 632047839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632047831) 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, 105341304 + ... + 105341309.

It is an arithmetic number, because the mean of its divisors is an integer number (210682614).

Almost surely, 2^632047839 is an apocalyptic number.

632047839 is a deficient number, since it is larger than the sum of its proper divisors (210682617).

632047839 is a wasteful number, since it uses less digits than its factorization.

632047839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210682616.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 632047839 is about 25140.5616285715. The cubic root of 632047839 is about 858.1897377614.

The spelling of 632047839 in words is "six hundred thirty-two million, forty-seven thousand, eight hundred thirty-nine".