999853442 has 16 divisors (see below), whose sum is σ = 1760360640. Its totient is φ = 416927088.

The previous prime is 999853381. The next prime is 999853457. The reversal of 999853442 is 244358999.

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, 964592 + ... + 965627.

It is an arithmetic number, because the mean of its divisors is an integer number (110022540).

Almost surely, 2^999853442 is an apocalyptic number.

999853442 is a deficient number, since it is larger than the sum of its proper divisors (760507198).

999853442 is a wasteful number, since it uses less digits than its factorization.

999853442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930265.

The product of its digits is 2799360, while the sum is 53.

The square root of 999853442 is about 31620.4592313268. The cubic root of 999853442 is about 999.9511449466.

The spelling of 999853442 in words is "nine hundred ninety-nine million, eight hundred fifty-three thousand, four hundred forty-two".