999474406 has 16 divisors (see below), whose sum is σ = 1713904416. Its totient is φ = 428216256.

The previous prime is 999474391. The next prime is 999474433. The reversal of 999474406 is 604474999.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48000 + ... + 65596.

It is an arithmetic number, because the mean of its divisors is an integer number (107119026).

Almost surely, 2^999474406 is an apocalyptic number.

999474406 is a deficient number, since it is larger than the sum of its proper divisors (714430010).

999474406 is a wasteful number, since it uses less digits than its factorization.

999474406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21663.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 999474406 is about 31614.4651386039. The cubic root of 999474406 is about 999.8247712967.

The spelling of 999474406 in words is "nine hundred ninety-nine million, four hundred seventy-four thousand, four hundred six".