898990 has 8 divisors (see below), whose sum is σ = 1618200. Its totient is φ = 359592.

The previous prime is 898987. The next prime is 899009. The reversal of 898990 is 99898.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44940 + ... + 44959.

It is an arithmetic number, because the mean of its divisors is an integer number (202275).

2⁸⁹⁸⁹⁹⁰ is an apocalyptic number.

898990 is a deficient number, since it is larger than the sum of its proper divisors (719210).

898990 is a wasteful number, since it uses less digits than its factorization.

898990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89906.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 898990 is about 948.1508318828. The cubic root of 898990 is about 96.5128084871.

The spelling of 898990 in words is "eight hundred ninety-eight thousand, nine hundred ninety".