899494 has 8 divisors (see below), whose sum is σ = 1366560. Its totient is φ = 443976.

The previous prime is 899491. The next prime is 899519. The reversal of 899494 is 494998.

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

It is a super-3 number, since 3×899494³ = 2183313333502937352, which contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 899494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899491) 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, 2689 + ... + 3004.

It is an arithmetic number, because the mean of its divisors is an integer number (170820).

2⁸⁹⁹⁴⁹⁴ is an apocalyptic number.

899494 is a deficient number, since it is larger than the sum of its proper divisors (467066).

899494 is a wasteful number, since it uses less digits than its factorization.

899494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5774.

The product of its digits is 93312, while the sum is 43.

The square root of 899494 is about 948.4165751398. The cubic root of 899494 is about 96.5308410823.

Subtracting from 899494 its reverse (494998), we obtain a square (404496 = 636²).

The spelling of 899494 in words is "eight hundred ninety-nine thousand, four hundred ninety-four".