899398629 has 24 divisors (see below), whose sum is σ = 1349334272. Its totient is φ = 576668160.

The previous prime is 899398613. The next prime is 899398639. The reversal of 899398629 is 926893998.

It is not a de Polignac number, because 899398629 - 2⁴ = 899398613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899398639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35589 + ... + 55365.

Almost surely, 2^899398629 is an apocalyptic number.

It is an amenable number.

899398629 is a deficient number, since it is larger than the sum of its proper divisors (449935643).

899398629 is a wasteful number, since it uses less digits than its factorization.

899398629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19977 (or 19974 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 899398629 is about 29989.9754751484. The cubic root of 899398629 is about 965.2742932406.

The spelling of 899398629 in words is "eight hundred ninety-nine million, three hundred ninety-eight thousand, six hundred twenty-nine".