2790388 has 12 divisors (see below), whose sum is σ = 4897732. Its totient is φ = 1391040.

The previous prime is 2790331. The next prime is 2790391. The reversal of 2790388 is 8830972.

It can be written as a sum of positive squares in 2 ways, for example, as 300304 + 2490084 = 548^2 + 1578^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856 + ... + 2512.

2^2790388 is an apocalyptic number.

It is an amenable number.

2790388 is a deficient number, since it is larger than the sum of its proper divisors (2107344).

2790388 is a wasteful number, since it uses less digits than its factorization.

2790388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2790388 is about 1670.4454495733. The cubic root of 2790388 is about 140.7845072700.

The spelling of 2790388 in words is "two million, seven hundred ninety thousand, three hundred eighty-eight".