2989078 has 4 divisors (see below), whose sum is σ = 4483620. Its totient is φ = 1494538.

The previous prime is 2989073. The next prime is 2989087. The reversal of 2989078 is 8709892.

2989078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989073) 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, 747268 + ... + 747271.

It is an arithmetic number, because the mean of its divisors is an integer number (1120905).

2^2989078 is an apocalyptic number.

2989078 is a deficient number, since it is larger than the sum of its proper divisors (1494542).

2989078 is a wasteful number, since it uses less digits than its factorization.

2989078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494541.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 2989078 is about 1728.8950228397. The cubic root of 2989078 is about 144.0497191997.

The spelling of 2989078 in words is "two million, nine hundred eighty-nine thousand, seventy-eight".