898634 has 8 divisors (see below), whose sum is σ = 1470528. Its totient is φ = 408460.

The previous prime is 898621. The next prime is 898661. The reversal of 898634 is 436898.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20402 + ... + 20445.

It is an arithmetic number, because the mean of its divisors is an integer number (183816).

2⁸⁹⁸⁶³⁴ is an apocalyptic number.

898634 is a deficient number, since it is larger than the sum of its proper divisors (571894).

898634 is a wasteful number, since it uses less digits than its factorization.

898634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40860.

The product of its digits is 41472, while the sum is 38.

The square root of 898634 is about 947.9630794498. The cubic root of 898634 is about 96.5000671158.

The spelling of 898634 in words is "eight hundred ninety-eight thousand, six hundred thirty-four".