2788372 has 6 divisors (see below), whose sum is σ = 4879658. Its totient is φ = 1394184.

The previous prime is 2788367. The next prime is 2788393. The reversal of 2788372 is 2738872.

It can be written as a sum of positive squares in only one way, i.e., 2421136 + 367236 = 1556^2 + 606^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348543 + ... + 348550.

2^2788372 is an apocalyptic number.

It is an amenable number.

2788372 is a deficient number, since it is larger than the sum of its proper divisors (2091286).

2788372 is a wasteful number, since it uses less digits than its factorization.

2788372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697097 (or 697095 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 2788372 is about 1669.8419086848. The cubic root of 2788372 is about 140.7505944300.

It can be divided in two parts, 2788 and 372, that added together give a triangular number (3160 = T₇₉).

The spelling of 2788372 in words is "two million, seven hundred eighty-eight thousand, three hundred seventy-two".