999908463 has 8 divisors (see below), whose sum is σ = 1391177088. Its totient is φ = 637622744.

The previous prime is 999908423. The next prime is 999908477. The reversal of 999908463 is 364809999.

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

It is a de Polignac number, because none of the positive numbers 2^k-999908463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999908423) 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, 7245645 + ... + 7245782.

It is an arithmetic number, because the mean of its divisors is an integer number (173897136).

Almost surely, 2^999908463 is an apocalyptic number.

999908463 is a deficient number, since it is larger than the sum of its proper divisors (391268625).

999908463 is a wasteful number, since it uses less digits than its factorization.

999908463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14491453.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The square root of 999908463 is about 31621.3292415104. The cubic root of 999908463 is about 999.9694867356.

The spelling of 999908463 in words is "nine hundred ninety-nine million, nine hundred eight thousand, four hundred sixty-three".