999493575 has 24 divisors (see below), whose sum is σ = 1739472000. Its totient is φ = 505006560.

The previous prime is 999493567. The next prime is 999493633. The reversal of 999493575 is 575394999.

It is not a de Polignac number, because 999493575 - 2³ = 999493567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349275 + ... + 352124.

It is an arithmetic number, because the mean of its divisors is an integer number (72478000).

Almost surely, 2^999493575 is an apocalyptic number.

999493575 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

999493575 is a deficient number, since it is larger than the sum of its proper divisors (739978425).

999493575 is a wasteful number, since it uses less digits than its factorization.

999493575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701431 (or 701426 counting only the distinct ones).

The product of its digits is 13778100, while the sum is 60.

The square root of 999493575 is about 31614.7683053348. The cubic root of 999493575 is about 999.8311631624.

The spelling of 999493575 in words is "nine hundred ninety-nine million, four hundred ninety-three thousand, five hundred seventy-five".