2830078 has 4 divisors (see below), whose sum is σ = 4245120. Its totient is φ = 1415038.

The previous prime is 2830073. The next prime is 2830097. The reversal of 2830078 is 8700382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707518 + ... + 707521.

It is an arithmetic number, because the mean of its divisors is an integer number (1061280).

2^2830078 is an apocalyptic number.

2830078 is a deficient number, since it is larger than the sum of its proper divisors (1415042).

2830078 is a wasteful number, since it uses less digits than its factorization.

2830078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415041.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2830078 is about 1682.2835670600. The cubic root of 2830078 is about 141.4488654734.

The spelling of 2830078 in words is "two million, eight hundred thirty thousand, seventy-eight".