899460774 has 40 divisors (see below), whose sum is σ = 2053505520. Its totient is φ = 294160464.

The previous prime is 899460773. The next prime is 899460869. The reversal of 899460774 is 477064998.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 899460774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899460773) 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 19 ways as a sum of consecutive naturals, for example, 43794 + ... + 60965.

It is an arithmetic number, because the mean of its divisors is an integer number (51337638).

Almost surely, 2^899460774 is an apocalyptic number.

899460774 is an abundant number, since it is smaller than the sum of its proper divisors (1154044746).

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

899460774 is a wasteful number, since it uses less digits than its factorization.

899460774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104826 (or 104817 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 899460774 is about 29991.0115534638. The cubic root of 899460774 is about 965.2965249806.

The spelling of 899460774 in words is "eight hundred ninety-nine million, four hundred sixty thousand, seven hundred seventy-four".