3090780 has 144 divisors (see below), whose sum is σ = 11741184. Its totient is φ = 639360.

The previous prime is 3090779. The next prime is 3090781. The reversal of 3090780 is 870903.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3090779) and next prime (3090781).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3090781) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13749 + ... + 13971.

It is an arithmetic number, because the mean of its divisors is an integer number (81536).

Almost surely, 2^3090780 is an apocalyptic number.

3090780 is a gapful number since it is divisible by the number (30) 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 3090780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5870592).

3090780 is an abundant number, since it is smaller than the sum of its proper divisors (8650404).

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

3090780 is a wasteful number, since it uses less digits than its factorization.

3090780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 3090780 is about 1758.0614323737. The cubic root of 3090780 is about 145.6652743390.

The spelling of 3090780 in words is "three million, ninety thousand, seven hundred eighty".