2978674 has 8 divisors (see below), whose sum is σ = 4543920. Its totient is φ = 1464036.

The previous prime is 2978629. The next prime is 2978681. The reversal of 2978674 is 4768792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2978674.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12504 + ... + 12739.

It is an arithmetic number, because the mean of its divisors is an integer number (567990).

2^2978674 is an apocalyptic number.

2978674 is a deficient number, since it is larger than the sum of its proper divisors (1565246).

2978674 is a wasteful number, since it uses less digits than its factorization.

2978674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25304.

The product of its digits is 169344, while the sum is 43.

The square root of 2978674 is about 1725.8835418417. The cubic root of 2978674 is about 143.8823949759.

The spelling of 2978674 in words is "two million, nine hundred seventy-eight thousand, six hundred seventy-four".