463397638 has 8 divisors (see below), whose sum is σ = 758287080. Its totient is φ = 210635280.

The previous prime is 463397609. The next prime is 463397651. The reversal of 463397638 is 836793364.

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

It is a junction number, because it is equal to n+sod(n) for n = 463397591 and 463397600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10531743 + ... + 10531786.

It is an arithmetic number, because the mean of its divisors is an integer number (94785885).

Almost surely, 2^463397638 is an apocalyptic number.

463397638 is a deficient number, since it is larger than the sum of its proper divisors (294889442).

463397638 is a wasteful number, since it uses less digits than its factorization.

463397638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21063542.

The product of its digits is 1959552, while the sum is 49.

The square root of 463397638 is about 21526.6727108487. The cubic root of 463397638 is about 773.8401731386.

The spelling of 463397638 in words is "four hundred sixty-three million, three hundred ninety-seven thousand, six hundred thirty-eight".