2940978 has 16 divisors (see below), whose sum is σ = 6007680. Its totient is φ = 959376.

The previous prime is 2940947. The next prime is 2940989. The reversal of 2940978 is 8790492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933 + ... + 5496.

It is an arithmetic number, because the mean of its divisors is an integer number (375480).

2^2940978 is an apocalyptic number.

2940978 is an abundant number, since it is smaller than the sum of its proper divisors (3066702).

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

2940978 is a wasteful number, since it uses less digits than its factorization.

2940978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2940978 is about 1714.9279868263. The cubic root of 2940978 is about 143.2728583292.

The spelling of 2940978 in words is "two million, nine hundred forty thousand, nine hundred seventy-eight".