899281634 has 8 divisors (see below), whose sum is σ = 1374373980. Its totient is φ = 441156976.

The previous prime is 899281613. The next prime is 899281651. The reversal of 899281634 is 436182998.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 887742025 + 11539609 = 29795^2 + 3397^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4241789 + ... + 4242000.

Almost surely, 2^899281634 is an apocalyptic number.

899281634 is a deficient number, since it is larger than the sum of its proper divisors (475092346).

899281634 is a wasteful number, since it uses less digits than its factorization.

899281634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483844.

The product of its digits is 746496, while the sum is 50.

The square root of 899281634 is about 29988.0248432604. The cubic root of 899281634 is about 965.2324366935.

The spelling of 899281634 in words is "eight hundred ninety-nine million, two hundred eighty-one thousand, six hundred thirty-four".