2978084 has 12 divisors (see below), whose sum is σ = 5300400. Its totient is φ = 1463688.

The previous prime is 2978071. The next prime is 2978089. The reversal of 2978084 is 4808792.

It is a super-2 number, since 2×2978084² = 17737968622112, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2978089) 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, 6074 + ... + 6545.

It is an arithmetic number, because the mean of its divisors is an integer number (441700).

2^2978084 is an apocalyptic number.

It is an amenable number.

2978084 is a deficient number, since it is larger than the sum of its proper divisors (2322316).

2978084 is a wasteful number, since it uses less digits than its factorization.

2978084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12682 (or 12680 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2978084 is about 1725.7126064325. The cubic root of 2978084 is about 143.8728945272.

The spelling of 2978084 in words is "two million, nine hundred seventy-eight thousand, eighty-four".