3078972 has 120 divisors (see below), whose sum is σ = 9391536. Its totient is φ = 870912.

The previous prime is 3078967. The next prime is 3078973. The reversal of 3078972 is 2798703.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3078973) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71583 + ... + 71625.

Almost surely, 2^3078972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3078972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4695768).

3078972 is an abundant number, since it is smaller than the sum of its proper divisors (6312564).

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

3078972 is a wasteful number, since it uses less digits than its factorization.

3078972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 3078972 is about 1754.6999743546. The cubic root of 3078972 is about 145.4795379876.

The spelling of 3078972 in words is "three million, seventy-eight thousand, nine hundred seventy-two".