2780552 has 32 divisors (see below), whose sum is σ = 5464800. Its totient is φ = 1325184.

The previous prime is 2780527. The next prime is 2780597. The reversal of 2780552 is 2550872.

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, 20228 + ... + 20364.

It is an arithmetic number, because the mean of its divisors is an integer number (170775).

2^2780552 is an apocalyptic number.

It is an amenable number.

2780552 is a deficient number, since it is larger than the sum of its proper divisors (2684248).

2780552 is a wasteful number, since it uses less digits than its factorization.

2780552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2780552 is about 1667.4987256367. The cubic root of 2780552 is about 140.6188927060.

The spelling of 2780552 in words is "two million, seven hundred eighty thousand, five hundred fifty-two".