3116988 has 144 divisors (see below), whose sum is σ = 10214400. Its totient is φ = 816480.

The previous prime is 3116977. The next prime is 3116999. The reversal of 3116988 is 8896113.

It is an interprime number because it is at equal distance from previous prime (3116977) and next prime (3116999).

It is a super-2 number, since 2×3116988² = 19431228384288, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100533 + ... + 100563.

Almost surely, 2^3116988 is an apocalyptic number.

3116988 is a gapful number since it is divisible by the number (38) 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 3116988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5107200).

3116988 is an abundant number, since it is smaller than the sum of its proper divisors (7097412).

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

3116988 is a wasteful number, since it uses less digits than its factorization.

3116988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 62 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 3116988 is about 1765.4993627866. The cubic root of 3116988 is about 146.0758347511.

The spelling of 3116988 in words is "three million, one hundred sixteen thousand, nine hundred eighty-eight".