2789972 has 24 divisors (see below), whose sum is σ = 5239080. Its totient is φ = 1295360.

The previous prime is 2789951. The next prime is 2789993. The reversal of 2789972 is 2799872.

It is an interprime number because it is at equal distance from previous prime (2789951) and next prime (2789993).

It can be written as a sum of positive squares in 4 ways, for example, as 217156 + 2572816 = 466^2 + 1604^2 .

It is a congruent number.

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, 5822 + ... + 6282.

It is an arithmetic number, because the mean of its divisors is an integer number (218295).

2^2789972 is an apocalyptic number.

It is an amenable number.

2789972 is a deficient number, since it is larger than the sum of its proper divisors (2449108).

2789972 is a wasteful number, since it uses less digits than its factorization.

2789972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 569 counting only the distinct ones).

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

The square root of 2789972 is about 1670.3209272472. The cubic root of 2789972 is about 140.7775107202. Note that the first 3 decimals are identical.

The spelling of 2789972 in words is "two million, seven hundred eighty-nine thousand, nine hundred seventy-two".