899498701 has 4 divisors (see below), whose sum is σ = 899805852. Its totient is φ = 899191552.

The previous prime is 899498689. The next prime is 899498707. The reversal of 899498701 is 107894998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 224850025 + 674648676 = 14995^2 + 25974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899498701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899498707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149140 + ... + 155053.

It is an arithmetic number, because the mean of its divisors is an integer number (224951463).

Almost surely, 2^899498701 is an apocalyptic number.

It is an amenable number.

899498701 is a deficient number, since it is larger than the sum of its proper divisors (307151).

899498701 is a wasteful number, since it uses less digits than its factorization.

899498701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307150.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 899498701 is about 29991.6438529134. The cubic root of 899498701 is about 965.3100924748.

The spelling of 899498701 in words is "eight hundred ninety-nine million, four hundred ninety-eight thousand, seven hundred one".