2978370 has 40 divisors (see below), whose sum is σ = 8010684. Its totient is φ = 794016.

The previous prime is 2978357. The next prime is 2978377. The reversal of 2978370 is 738792.

It can be written as a sum of positive squares in 2 ways, for example, as 2954961 + 23409 = 1719^2 + 153^2 .

It is not an unprimeable number, because it can be changed into a prime (2978377) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1029 + ... + 2648.

2^2978370 is an apocalyptic number.

2978370 is an abundant number, since it is smaller than the sum of its proper divisors (5032314).

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

2978370 is a wasteful number, since it uses less digits than its factorization.

2978370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696 (or 3687 counting only the distinct ones).

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

The square root of 2978370 is about 1725.7954687622. The cubic root of 2978370 is about 143.8774999861.

The spelling of 2978370 in words is "two million, nine hundred seventy-eight thousand, three hundred seventy".