2978130 has 32 divisors (see below), whose sum is σ = 7343424. Its totient is φ = 772416.

The previous prime is 2978119. The next prime is 2978147. The reversal of 2978130 is 318792.

It is a happy number.

2978130 is nontrivially palindromic in base 11.

2978130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 232 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (229482).

2^2978130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2978130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3671712).

2978130 is an abundant number, since it is smaller than the sum of its proper divisors (4365294).

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

2978130 is a wasteful number, since it uses less digits than its factorization.

2978130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2978130 is about 1725.7259342086. The cubic root of 2978130 is about 143.8736352852.

The spelling of 2978130 in words is "two million, nine hundred seventy-eight thousand, one hundred thirty".