2987772 has 12 divisors (see below), whose sum is σ = 6971496. Its totient is φ = 995920.

The previous prime is 2987771. The next prime is 2987773. The reversal of 2987772 is 2777892.

It is an interprime number because it is at equal distance from previous prime (2987771) and next prime (2987773).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987771) 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, 124479 + ... + 124502.

It is an arithmetic number, because the mean of its divisors is an integer number (580958).

2^2987772 is an apocalyptic number.

It is an amenable number.

2987772 is an abundant number, since it is smaller than the sum of its proper divisors (3983724).

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

2987772 is a wasteful number, since it uses less digits than its factorization.

2987772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248988 (or 248986 counting only the distinct ones).

The product of its digits is 98784, while the sum is 42.

The square root of 2987772 is about 1728.5172836856. The cubic root of 2987772 is about 144.0287365489.

The spelling of 2987772 in words is "two million, nine hundred eighty-seven thousand, seven hundred seventy-two".