899534 has 4 divisors (see below), whose sum is σ = 1349304. Its totient is φ = 449766.

The previous prime is 899531. The next prime is 899537. The reversal of 899534 is 435998.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (899531) and next prime (899537).

It is a super-2 number, since 2×899534² = 1618322834312, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 899534.

It is not an unprimeable number, because it can be changed into a prime (899531) by changing a digit.

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 as a sum of consecutive naturals, namely, 224882 + ... + 224885.

It is an arithmetic number, because the mean of its divisors is an integer number (337326).

2⁸⁹⁹⁵³⁴ is an apocalyptic number.

899534 is a deficient number, since it is larger than the sum of its proper divisors (449770).

899534 is a wasteful number, since it uses less digits than its factorization.

899534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449769.

The product of its digits is 38880, while the sum is 38.

The square root of 899534 is about 948.4376626853. The cubic root of 899534 is about 96.5322719521.

The spelling of 899534 in words is "eight hundred ninety-nine thousand, five hundred thirty-four".