2780932 has 24 divisors (see below), whose sum is σ = 6068160. Its totient is φ = 1083360.

The previous prime is 2780923. The next prime is 2780933. The reversal of 2780932 is 2390872.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2780894 and 2780903.

It is not an unprimeable number, because it can be changed into a prime (2780933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4207 + ... + 4822.

It is an arithmetic number, because the mean of its divisors is an integer number (252840).

2^2780932 is an apocalyptic number.

2780932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2780932 is an abundant number, since it is smaller than the sum of its proper divisors (3287228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2780932 is a wasteful number, since it uses less digits than its factorization.

2780932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9051 (or 9049 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2780932 is about 1667.6126648596. The cubic root of 2780932 is about 140.6252982381.

The spelling of 2780932 in words is "two million, seven hundred eighty thousand, nine hundred thirty-two".