2987245 has 8 divisors (see below), whose sum is σ = 3599640. Its totient is φ = 2379840.

The previous prime is 2987209. The next prime is 2987251. The reversal of 2987245 is 5427892.

It can be written as a sum of positive squares in 4 ways, for example, as 66564 + 2920681 = 258^2 + 1709^2 .

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

It is not a de Polignac number, because 2987245 - 2¹⁷ = 2856173 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 9³ + 8⁷ + 7⁷ + 2¹⁶ + 4 + 5² .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (449955).

2^2987245 is an apocalyptic number.

It is an amenable number.

2987245 is a deficient number, since it is larger than the sum of its proper divisors (612395).

2987245 is a wasteful number, since it uses less digits than its factorization.

2987245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495.

The product of its digits is 40320, while the sum is 37.

The square root of 2987245 is about 1728.3648341713. The cubic root of 2987245 is about 144.0202678519.

The spelling of 2987245 in words is "two million, nine hundred eighty-seven thousand, two hundred forty-five".