2978937 has 48 divisors (see below), whose sum is σ = 5136768. Its totient is φ = 1710720.

The previous prime is 2978933. The next prime is 2978959. The reversal of 2978937 is 7398792.

It is not a de Polignac number, because 2978937 - 2² = 2978933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2978892 and 2978901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978933) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 72637 + ... + 72677.

It is an arithmetic number, because the mean of its divisors is an integer number (107016).

2^2978937 is an apocalyptic number.

2978937 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2978937 is a deficient number, since it is larger than the sum of its proper divisors (2157831).

2978937 is a wasteful number, since it uses less digits than its factorization.

2978937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 80 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 2978937 is about 1725.9597330181. The cubic root of 2978937 is about 143.8866295174.

The spelling of 2978937 in words is "two million, nine hundred seventy-eight thousand, nine hundred thirty-seven".