899940345 has 8 divisors (see below), whose sum is σ = 1439904576. Its totient is φ = 479968176.

The previous prime is 899940341. The next prime is 899940347. The reversal of 899940345 is 543049998.

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

It is not a de Polignac number, because 899940345 - 2² = 899940341 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (899940341) 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, 29997997 + ... + 29998026.

It is an arithmetic number, because the mean of its divisors is an integer number (179988072).

Almost surely, 2^899940345 is an apocalyptic number.

It is an amenable number.

899940345 is a deficient number, since it is larger than the sum of its proper divisors (539964231).

899940345 is a wasteful number, since it uses less digits than its factorization.

899940345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59996031.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 899940345 is about 29999.0057335239. The cubic root of 899940345 is about 965.4680521827.

The spelling of 899940345 in words is "eight hundred ninety-nine million, nine hundred forty thousand, three hundred forty-five".