899341649 has 8 divisors (see below), whose sum is σ = 979320000. Its totient is φ = 822627792.

The previous prime is 899341631. The next prime is 899341739. The reversal of 899341649 is 946143998.

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 899341649 - 2⁸ = 899341393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 899341649.

It is not an unprimeable number, because it can be changed into a prime (899341049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815549 + ... + 816650.

It is an arithmetic number, because the mean of its divisors is an integer number (122415000).

Almost surely, 2^899341649 is an apocalyptic number.

It is an amenable number.

899341649 is a deficient number, since it is larger than the sum of its proper divisors (79978351).

899341649 is a wasteful number, since it uses less digits than its factorization.

899341649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632247.

The product of its digits is 1679616, while the sum is 53.

The square root of 899341649 is about 29989.0254759970. The cubic root of 899341649 is about 965.2539083267.

The spelling of 899341649 in words is "eight hundred ninety-nine million, three hundred forty-one thousand, six hundred forty-nine".