899408955 has 8 divisors (see below), whose sum is σ = 1439054352. Its totient is φ = 479684768.

The previous prime is 899408903. The next prime is 899408959. The reversal of 899408955 is 559804998.

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

It is a cyclic number.

It is not a de Polignac number, because 899408955 - 2⁶ = 899408891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 899408895 and 899408904.

It is not an unprimeable number, because it can be changed into a prime (899408959) 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, 29980284 + ... + 29980313.

It is an arithmetic number, because the mean of its divisors is an integer number (179881794).

Almost surely, 2^899408955 is an apocalyptic number.

899408955 is a deficient number, since it is larger than the sum of its proper divisors (539645397).

899408955 is a wasteful number, since it uses less digits than its factorization.

899408955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59960605.

The product of its (nonzero) digits is 4665600, while the sum is 57.

The square root of 899408955 is about 29990.1476321808. The cubic root of 899408955 is about 965.2779873327.

The spelling of 899408955 in words is "eight hundred ninety-nine million, four hundred eight thousand, nine hundred fifty-five".