2978716 has 12 divisors (see below), whose sum is σ = 5613832. Its totient is φ = 1374768.

The previous prime is 2978713. The next prime is 2978737. The reversal of 2978716 is 6178792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978711) 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 3 ways as a sum of consecutive naturals, for example, 28590 + ... + 28693.

2^2978716 is an apocalyptic number.

2978716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2978716 is a deficient number, since it is larger than the sum of its proper divisors (2635116).

2978716 is a wasteful number, since it uses less digits than its factorization.

2978716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57300 (or 57298 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 2978716 is about 1725.8957094796. The cubic root of 2978716 is about 143.8830712312.

The spelling of 2978716 in words is "two million, nine hundred seventy-eight thousand, seven hundred sixteen".