2680890 has 16 divisors (see below), whose sum is σ = 6434208. Its totient is φ = 714896.

The previous prime is 2680879. The next prime is 2680891. The reversal of 2680890 is 980862.

It is not an unprimeable number, because it can be changed into a prime (2680891) 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, 44652 + ... + 44711.

It is an arithmetic number, because the mean of its divisors is an integer number (402138).

2^2680890 is an apocalyptic number.

2680890 is an abundant number, since it is smaller than the sum of its proper divisors (3753318).

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

2680890 is a wasteful number, since it uses less digits than its factorization.

2680890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89373.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2680890 is about 1637.3423588242. The cubic root of 2680890 is about 138.9183655363.

It can be divided in two parts, 2680 and 890, that added together give a triangular number (3570 = T₈₄).

The spelling of 2680890 in words is "two million, six hundred eighty thousand, eight hundred ninety".