2978632 has 16 divisors (see below), whose sum is σ = 5616000. Its totient is φ = 1481040.

The previous prime is 2978629. The next prime is 2978681. The reversal of 2978632 is 2368792.

2978632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2978591 and 2978600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657 + ... + 2527.

It is an arithmetic number, because the mean of its divisors is an integer number (351000).

2^2978632 is an apocalyptic number.

It is an amenable number.

2978632 is a deficient number, since it is larger than the sum of its proper divisors (2637368).

2978632 is a wasteful number, since it uses less digits than its factorization.

2978632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2072 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 2978632 is about 1725.8713741180. The cubic root of 2978632 is about 143.8817187142.

The spelling of 2978632 in words is "two million, nine hundred seventy-eight thousand, six hundred thirty-two".