2978834 has 8 divisors (see below), whose sum is σ = 4488960. Its totient is φ = 1482516.

The previous prime is 2978819. The next prime is 2978869. The reversal of 2978834 is 4388792.

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

It is a junction number, because it is equal to n+sod(n) for n = 2978791 and 2978800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2894 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (561120).

2^2978834 is an apocalyptic number.

2978834 is a deficient number, since it is larger than the sum of its proper divisors (1510126).

2978834 is a wasteful number, since it uses less digits than its factorization.

2978834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6904.

The product of its digits is 96768, while the sum is 41.

The square root of 2978834 is about 1725.9298942889. The cubic root of 2978834 is about 143.8849711525.

The spelling of 2978834 in words is "two million, nine hundred seventy-eight thousand, eight hundred thirty-four".