5991400 has 48 divisors (see below), whose sum is σ = 14424300. Its totient is φ = 2311680.

The previous prime is 5991397. The next prime is 5991413. The reversal of 5991400 is 41995.

It can be written as a sum of positive squares in 6 ways, for example, as 3992004 + 1999396 = 1998^2 + 1414^2 .

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5284 + ... + 6316.

Almost surely, 2^5991400 is an apocalyptic number.

5991400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5991400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7212150).

5991400 is an abundant number, since it is smaller than the sum of its proper divisors (8432900).

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

5991400 is a wasteful number, since it uses less digits than its factorization.

5991400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 5991400 is about 2447.7336456404. The cubic root of 5991400 is about 181.6251997866.

The spelling of 5991400 in words is "five million, nine hundred ninety-one thousand, four hundred".