899274042 has 32 divisors (see below), whose sum is σ = 2003650560. Its totient is φ = 298968480.

The previous prime is 899274023. The next prime is 899274049. The reversal of 899274042 is 240472998.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (899274049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059 + ... + 42422.

It is an arithmetic number, because the mean of its divisors is an integer number (62614080).

Almost surely, 2^899274042 is an apocalyptic number.

899274042 is an abundant number, since it is smaller than the sum of its proper divisors (1104376518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899274042 is a wasteful number, since it uses less digits than its factorization.

899274042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43875 (or 43869 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 899274042 is about 29987.8982591311. The cubic root of 899274042 is about 965.2297204272.

The spelling of 899274042 in words is "eight hundred ninety-nine million, two hundred seventy-four thousand, forty-two".