2955978 has 24 divisors (see below), whose sum is σ = 6474468. Its totient is φ = 974592.

The previous prime is 2955961. The next prime is 2956003. The reversal of 2955978 is 8795592.

It is a happy number.

2955978 is a `hidden beast` number, since 29 + 559 + 78 = 666.

2955978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2934369 + 21609 = 1713^2 + 147^2 .

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 11 ways as a sum of consecutive naturals, for example, 900 + ... + 2592.

2^2955978 is an apocalyptic number.

2955978 is an abundant number, since it is smaller than the sum of its proper divisors (3518490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2955978 is a wasteful number, since it uses less digits than its factorization.

2955978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1795 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 2955978 is about 1719.2957860706. The cubic root of 2955978 is about 143.5160256801.

The spelling of 2955978 in words is "two million, nine hundred fifty-five thousand, nine hundred seventy-eight".