2978330 has 8 divisors (see below), whose sum is σ = 5361012. Its totient is φ = 1191328.

The previous prime is 2978323. The next prime is 2978357. The reversal of 2978330 is 338792.

2978330 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 2486929 + 491401 = 1577^2 + 701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 148907 + ... + 148926.

2^2978330 is an apocalyptic number.

2978330 is a deficient number, since it is larger than the sum of its proper divisors (2382682).

2978330 is a wasteful number, since it uses less digits than its factorization.

2978330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297840.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 2978330 is about 1725.7838798645. The cubic root of 2978330 is about 143.8768558837.

The spelling of 2978330 in words is "two million, nine hundred seventy-eight thousand, three hundred thirty".