2780970 has 16 divisors (see below), whose sum is σ = 6674400. Its totient is φ = 741584.

The previous prime is 2780951. The next prime is 2780971. The reversal of 2780970 is 790872.

It is not an unprimeable number, because it can be changed into a prime (2780971) 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, 46320 + ... + 46379.

It is an arithmetic number, because the mean of its divisors is an integer number (417150).

2^2780970 is an apocalyptic number.

2780970 is an abundant number, since it is smaller than the sum of its proper divisors (3893430).

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

2780970 is a wasteful number, since it uses less digits than its factorization.

2780970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92709.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 2780970 is about 1667.6240583537. The cubic root of 2780970 is about 140.6259387592.

The spelling of 2780970 in words is "two million, seven hundred eighty thousand, nine hundred seventy".