2978308 has 12 divisors (see below), whose sum is σ = 5285952. Its totient is φ = 1468040.

The previous prime is 2978303. The next prime is 2978317. The reversal of 2978308 is 8038792.

It is not an unprimeable number, because it can be changed into a prime (2978303) 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, 4960 + ... + 5527.

It is an arithmetic number, because the mean of its divisors is an integer number (440496).

2^2978308 is an apocalyptic number.

It is an amenable number.

2978308 is a deficient number, since it is larger than the sum of its proper divisors (2307644).

2978308 is a wasteful number, since it uses less digits than its factorization.

2978308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10562 (or 10560 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2978308 is about 1725.7775059375. Note that the first 3 decimals coincide. The cubic root of 2978308 is about 143.8765016250.

The spelling of 2978308 in words is "two million, nine hundred seventy-eight thousand, three hundred eight".