2987518 has 4 divisors (see below), whose sum is σ = 4481280. Its totient is φ = 1493758.

The previous prime is 2987497. The next prime is 2987519. The reversal of 2987518 is 8157892.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746878 + ... + 746881.

It is an arithmetic number, because the mean of its divisors is an integer number (1120320).

2^2987518 is an apocalyptic number.

2987518 is a deficient number, since it is larger than the sum of its proper divisors (1493762).

2987518 is a wasteful number, since it uses less digits than its factorization.

2987518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493761.

The product of its digits is 40320, while the sum is 40.

The square root of 2987518 is about 1728.4438087482. The cubic root of 2987518 is about 144.0246549863.

The spelling of 2987518 in words is "two million, nine hundred eighty-seven thousand, five hundred eighteen".