2978144 has 24 divisors (see below), whose sum is σ = 6315120. Its totient is φ = 1374336.

The previous prime is 2978119. The next prime is 2978147. The reversal of 2978144 is 4418792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3164 + ... + 3995.

It is an arithmetic number, because the mean of its divisors is an integer number (263130).

2^2978144 is an apocalyptic number.

It is an amenable number.

2978144 is an abundant number, since it is smaller than the sum of its proper divisors (3336976).

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

2978144 is a wasteful number, since it uses less digits than its factorization.

2978144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182 (or 7174 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 2978144 is about 1725.7299904678. The cubic root of 2978144 is about 143.8738607318.

The spelling of 2978144 in words is "two million, nine hundred seventy-eight thousand, one hundred forty-four".