2978164 has 12 divisors (see below), whose sum is σ = 5956384. Its totient is φ = 1276344.

The previous prime is 2978161. The next prime is 2978177. The reversal of 2978164 is 4618792.

2978164 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

2978164 is an admirable number.

2978164 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978161) 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, 53154 + ... + 53209.

2^2978164 is an apocalyptic number.

It is an amenable number.

2978164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2978164 is a wasteful number, since it uses less digits than its factorization.

2978164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106374 (or 106372 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 2978164 is about 1725.7357851073. The cubic root of 2978164 is about 143.8741827972.

The spelling of 2978164 in words is "two million, nine hundred seventy-eight thousand, one hundred sixty-four".