2987178 has 16 divisors (see below), whose sum is σ = 6120576. Its totient is φ = 971360.

The previous prime is 2987147. The next prime is 2987207. The reversal of 2987178 is 8717892.

2987178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 5826 + ... + 6317.

It is an arithmetic number, because the mean of its divisors is an integer number (382536).

2^2987178 is an apocalyptic number.

2987178 is an abundant number, since it is smaller than the sum of its proper divisors (3133398).

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

2987178 is a wasteful number, since it uses less digits than its factorization.

2987178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12189.

The product of its digits is 56448, while the sum is 42.

The square root of 2987178 is about 1728.3454515808. The cubic root of 2987178 is about 144.0191911151.

The spelling of 2987178 in words is "two million, nine hundred eighty-seven thousand, one hundred seventy-eight".