898623 has 24 divisors (see below), whose sum is σ = 1469520. Its totient is φ = 524160.

The previous prime is 898621. The next prime is 898661. The reversal of 898623 is 326898.

It is not a de Polignac number, because 898623 - 2¹ = 898621 is a prime.

It is a super-2 number, since 2×898623² = 1615046592258, which contains 22 as substring.

898623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2715 + ... + 3027.

It is an arithmetic number, because the mean of its divisors is an integer number (61230).

2⁸⁹⁸⁶²³ is an apocalyptic number.

898623 is a deficient number, since it is larger than the sum of its proper divisors (570897).

898623 is a wasteful number, since it uses less digits than its factorization.

898623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 356 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 898623 is about 947.9572775183. The cubic root of 898623 is about 96.4996733682.

It can be divided in two parts, 8986 and 23, that added together give a palindrome (9009).

The spelling of 898623 in words is "eight hundred ninety-eight thousand, six hundred twenty-three".