2987090 has 8 divisors (see below), whose sum is σ = 5376780. Its totient is φ = 1194832.

The previous prime is 2987071. The next prime is 2987099. The reversal of 2987090 is 907892.

It can be written as a sum of positive squares in 2 ways, for example, as 2886601 + 100489 = 1699^2 + 317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2987090.

It is not an unprimeable number, because it can be changed into a prime (2987099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149345 + ... + 149364.

2^2987090 is an apocalyptic number.

2987090 is a deficient number, since it is larger than the sum of its proper divisors (2389690).

2987090 is a wasteful number, since it uses less digits than its factorization.

2987090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298716.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 2987090 is about 1728.3199935197. The cubic root of 2987090 is about 144.0177768691.

The spelling of 2987090 in words is "two million, nine hundred eighty-seven thousand, ninety".