999494415 has 48 divisors (see below), whose sum is σ = 1752192000. Its totient is φ = 527034816.

The previous prime is 999494407. The next prime is 999494423. The reversal of 999494415 is 514494999.

It is an interprime number because it is at equal distance from previous prime (999494407) and next prime (999494423).

It is not a de Polignac number, because 999494415 - 2³ = 999494407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2140012 + ... + 2140478.

It is an arithmetic number, because the mean of its divisors is an integer number (36504000).

Almost surely, 2^999494415 is an apocalyptic number.

999494415 is a deficient number, since it is larger than the sum of its proper divisors (752697585).

999494415 is a wasteful number, since it uses less digits than its factorization.

999494415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 913 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 999494415 is about 31614.7815902625. The cubic root of 999494415 is about 999.8314432569.

The spelling of 999494415 in words is "nine hundred ninety-nine million, four hundred ninety-four thousand, four hundred fifteen".