3120984 has 32 divisors (see below), whose sum is σ = 8670000. Its totient is φ = 1040256.

The previous prime is 3120977. The next prime is 3120989. The reversal of 3120984 is 4890213.

It is a super-2 number, since 2×3120984² = 19481082256512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7009 + ... + 7440.

Almost surely, 2^3120984 is an apocalyptic number.

It is an amenable number.

3120984 is an abundant number, since it is smaller than the sum of its proper divisors (5549016).

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

3120984 is a wasteful number, since it uses less digits than its factorization.

3120984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14464 (or 14454 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3120984 is about 1766.6306914576. The cubic root of 3120984 is about 146.1382315018.

The spelling of 3120984 in words is "three million, one hundred twenty thousand, nine hundred eighty-four".