899667132 has 96 divisors (see below), whose sum is σ = 2735695872. Its totient is φ = 223312896.

The previous prime is 899667121. The next prime is 899667179. The reversal of 899667132 is 231766998.

It is a super-2 number, since 2×899667132² = 1618801896802210848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5668 + ... + 42795.

It is an arithmetic number, because the mean of its divisors is an integer number (28496832).

Almost surely, 2^899667132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899667132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367847936).

899667132 is an abundant number, since it is smaller than the sum of its proper divisors (1836028740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899667132 is a wasteful number, since it uses less digits than its factorization.

899667132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48507 (or 48505 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 899667132 is about 29994.4516869370. The cubic root of 899667132 is about 965.3703401057.

The spelling of 899667132 in words is "eight hundred ninety-nine million, six hundred sixty-seven thousand, one hundred thirty-two".