899542 has 24 divisors (see below), whose sum is σ = 1604664. Its totient is φ = 376992.

The previous prime is 899537. The next prime is 899611. The reversal of 899542 is 245998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6498 + ... + 6634.

It is an arithmetic number, because the mean of its divisors is an integer number (66861).

2⁸⁹⁹⁵⁴² is an apocalyptic number.

899542 is a deficient number, since it is larger than the sum of its proper divisors (705122).

899542 is a wasteful number, since it uses less digits than its factorization.

899542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 213 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 899542 is about 948.4418801382. The cubic root of 899542 is about 96.5325581210.

It can be divided in two parts, 899 and 542, that added together give a palindrome (1441).

The spelling of 899542 in words is "eight hundred ninety-nine thousand, five hundred forty-two".