3081660 has 24 divisors (see below), whose sum is σ = 8628816. Its totient is φ = 821760.

The previous prime is 3081643. The next prime is 3081677. The reversal of 3081660 is 661803.

It is an interprime number because it is at equal distance from previous prime (3081643) and next prime (3081677).

It is a self number, because there is not a number n which added to its sum of digits gives 3081660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25621 + ... + 25740.

It is an arithmetic number, because the mean of its divisors is an integer number (359534).

Almost surely, 2^3081660 is an apocalyptic number.

3081660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3081660 is an abundant number, since it is smaller than the sum of its proper divisors (5547156).

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

3081660 is a wasteful number, since it uses less digits than its factorization.

3081660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51373 (or 51371 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3081660 is about 1755.4657501643. The cubic root of 3081660 is about 145.5218611240.

It can be divided in two parts, 30816 and 60, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 3081660 in words is "three million, eighty-one thousand, six hundred sixty".