2987078 has 4 divisors (see below), whose sum is σ = 4480620. Its totient is φ = 1493538.

The previous prime is 2987071. The next prime is 2987099. The reversal of 2987078 is 8707892.

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 (2987071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746768 + ... + 746771.

It is an arithmetic number, because the mean of its divisors is an integer number (1120155).

2^2987078 is an apocalyptic number.

2987078 is a deficient number, since it is larger than the sum of its proper divisors (1493542).

2987078 is a wasteful number, since it uses less digits than its factorization.

2987078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493541.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2987078 is about 1728.3165219369. The cubic root of 2987078 is about 144.0175840153.

The spelling of 2987078 in words is "two million, nine hundred eighty-seven thousand, seventy-eight".