2978154 has 32 divisors (see below), whose sum is σ = 6684480. Its totient is φ = 982800.

The previous prime is 2978147. The next prime is 2978161. The reversal of 2978154 is 4518792.

It is an interprime number because it is at equal distance from previous prime (2978147) and next prime (2978161).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6864 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (208890).

2^2978154 is an apocalyptic number.

2978154 is an abundant number, since it is smaller than the sum of its proper divisors (3706326).

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

2978154 is a wasteful number, since it uses less digits than its factorization.

2978154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 557 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2978154 is about 1725.7328877900. The cubic root of 2978154 is about 143.8740217647.

The spelling of 2978154 in words is "two million, nine hundred seventy-eight thousand, one hundred fifty-four".