2987972 has 24 divisors (see below), whose sum is σ = 5787096. Its totient is φ = 1340928.

The previous prime is 2987969. The next prime is 2987983. The reversal of 2987972 is 2797892.

It can be written as a sum of positive squares in 4 ways, for example, as 111556 + 2876416 = 334^2 + 1696^2 .

It is a d-powerful number, because it can be written as 2¹⁷ + 9² + 8⁷ + 7⁶ + 9² + 7⁶ + 2¹⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148 + ... + 2700.

It is an arithmetic number, because the mean of its divisors is an integer number (241129).

2^2987972 is an apocalyptic number.

It is an amenable number.

2987972 is a deficient number, since it is larger than the sum of its proper divisors (2799124).

2987972 is a wasteful number, since it uses less digits than its factorization.

2987972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607 (or 1605 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 2987972 is about 1728.5751357693. The cubic root of 2987972 is about 144.0319502150.

The spelling of 2987972 in words is "two million, nine hundred eighty-seven thousand, nine hundred seventy-two".