899942402 has 16 divisors (see below), whose sum is σ = 1361900952. Its totient is φ = 445992960.

The previous prime is 899942401. The next prime is 899942411. The reversal of 899942402 is 204249998.

It can be written as a sum of positive squares in 4 ways, for example, as 892754641 + 7187761 = 29879^2 + 2681^2 .

It is not an unprimeable number, because it can be changed into a prime (899942401) 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, 104318 + ... + 112614.

Almost surely, 2^899942402 is an apocalyptic number.

899942402 is a deficient number, since it is larger than the sum of its proper divisors (461958550).

899942402 is a wasteful number, since it uses less digits than its factorization.

899942402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 899942402 is about 29999.0400179739. The cubic root of 899942402 is about 965.4687877745.

The spelling of 899942402 in words is "eight hundred ninety-nine million, nine hundred forty-two thousand, four hundred two".