999613452 has 12 divisors (see below), whose sum is σ = 2332431416. Its totient is φ = 333204480.

The previous prime is 999613451. The next prime is 999613471. The reversal of 999613452 is 254316999.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (999613451) 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, 41650549 + ... + 41650572.

Almost surely, 2^999613452 is an apocalyptic number.

It is an amenable number.

999613452 is an abundant number, since it is smaller than the sum of its proper divisors (1332817964).

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

999613452 is a wasteful number, since it uses less digits than its factorization.

999613452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83301128 (or 83301126 counting only the distinct ones).

The product of its digits is 524880, while the sum is 48.

The square root of 999613452 is about 31616.6641504128. The cubic root of 999613452 is about 999.8711340609.

The spelling of 999613452 in words is "nine hundred ninety-nine million, six hundred thirteen thousand, four hundred fifty-two".