5991912 has 24 divisors (see below), whose sum is σ = 16228290. Its totient is φ = 1997280.

The previous prime is 5991907. The next prime is 5991943. The reversal of 5991912 is 2191995.

It can be written as a sum of positive squares in only one way, i.e., 5171076 + 820836 = 2274^2 + 906^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41539 + ... + 41682.

Almost surely, 2^5991912 is an apocalyptic number.

It is an amenable number.

5991912 is an abundant number, since it is smaller than the sum of its proper divisors (10236378).

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

5991912 is a wasteful number, since it uses less digits than its factorization.

5991912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83233 (or 83226 counting only the distinct ones).

The product of its digits is 7290, while the sum is 36.

The square root of 5991912 is about 2447.8382299490. The cubic root of 5991912 is about 181.6303732827.

It can be divided in two parts, 5991 and 912, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 5991912 in words is "five million, nine hundred ninety-one thousand, nine hundred twelve".