899490765 has 8 divisors (see below), whose sum is σ = 1439185248. Its totient is φ = 479728400.

The previous prime is 899490763. The next prime is 899490773. The reversal of 899490765 is 567094998.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 899490765 - 2¹ = 899490763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899490763) 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 7 ways as a sum of consecutive naturals, for example, 29983011 + ... + 29983040.

It is an arithmetic number, because the mean of its divisors is an integer number (179898156).

Almost surely, 2^899490765 is an apocalyptic number.

It is an amenable number.

899490765 is a deficient number, since it is larger than the sum of its proper divisors (539694483).

899490765 is a wasteful number, since it uses less digits than its factorization.

899490765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59966059.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 899490765 is about 29991.5115491034. The cubic root of 899490765 is about 965.3072535886.

The spelling of 899490765 in words is "eight hundred ninety-nine million, four hundred ninety thousand, seven hundred sixty-five".