899423515 has 8 divisors (see below), whose sum is σ = 1099672848. Its totient is φ = 705962400.

The previous prime is 899423513. The next prime is 899423521. The reversal of 899423515 is 515324998.

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

It is not a de Polignac number, because 899423515 - 2¹ = 899423513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899423513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696761 + ... + 1697290.

It is an arithmetic number, because the mean of its divisors is an integer number (137459106).

Almost surely, 2^899423515 is an apocalyptic number.

899423515 is a deficient number, since it is larger than the sum of its proper divisors (200249333).

899423515 is a wasteful number, since it uses less digits than its factorization.

899423515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394109.

The product of its digits is 388800, while the sum is 46.

The square root of 899423515 is about 29990.3903775860. The cubic root of 899423515 is about 965.2831960762.

The spelling of 899423515 in words is "eight hundred ninety-nine million, four hundred twenty-three thousand, five hundred fifteen".