898246591 has 4 divisors (see below), whose sum is σ = 979905384. Its totient is φ = 816587800.

The previous prime is 898246589. The next prime is 898246627. The reversal of 898246591 is 195642898.

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

It is a cyclic number.

It is not a de Polignac number, because 898246591 - 2¹ = 898246589 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 (898246571) 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, 40829380 + ... + 40829401.

It is an arithmetic number, because the mean of its divisors is an integer number (244976346).

Almost surely, 2^898246591 is an apocalyptic number.

898246591 is a deficient number, since it is larger than the sum of its proper divisors (81658793).

898246591 is a wasteful number, since it uses less digits than its factorization.

898246591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81658792.

The product of its digits is 1244160, while the sum is 52.

The square root of 898246591 is about 29970.7622692517. The cubic root of 898246591 is about 964.8619778079.

The spelling of 898246591 in words is "eight hundred ninety-eight million, two hundred forty-six thousand, five hundred ninety-one".