5990985 has 144 divisors (see below), whose sum is σ = 14938560. Its totient is φ = 2177280.

The previous prime is 5990977. The next prime is 5991031. The reversal of 5990985 is 5890995.

It is not a de Polignac number, because 5990985 - 2³ = 5990977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5990985.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 315306 + ... + 315324.

It is an arithmetic number, because the mean of its divisors is an integer number (103740).

Almost surely, 2^5990985 is an apocalyptic number.

5990985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5990985 is an abundant number, since it is smaller than the sum of its proper divisors (8947575).

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

5990985 is a wasteful number, since it uses less digits than its factorization.

5990985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The square root of 5990985 is about 2447.6488718768. The cubic root of 5990985 is about 181.6210062092.

The spelling of 5990985 in words is "five million, nine hundred ninety thousand, nine hundred eighty-five".