2978504 has 8 divisors (see below), whose sum is σ = 5584710. Its totient is φ = 1489248.

The previous prime is 2978501. The next prime is 2978533. The reversal of 2978504 is 4058792.

It is a happy number.

2978504 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 only one way, i.e., 2256004 + 722500 = 1502^2 + 850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2978501) by changing a digit.

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 as a sum of consecutive naturals, namely, 186149 + ... + 186164.

2^2978504 is an apocalyptic number.

It is an amenable number.

2978504 is a deficient number, since it is larger than the sum of its proper divisors (2606206).

2978504 is a wasteful number, since it uses less digits than its factorization.

2978504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372319 (or 372315 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2978504 is about 1725.8342910025. The cubic root of 2978504 is about 143.8796576871.

The spelling of 2978504 in words is "two million, nine hundred seventy-eight thousand, five hundred four".