2730786 has 16 divisors (see below), whose sum is σ = 5543904. Its totient is φ = 896544.

The previous prime is 2730781. The next prime is 2730797. The reversal of 2730786 is 6870372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730781) 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, 2995 + ... + 3798.

It is an arithmetic number, because the mean of its divisors is an integer number (346494).

2^2730786 is an apocalyptic number.

2730786 is an abundant number, since it is smaller than the sum of its proper divisors (2813118).

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

2730786 is a wasteful number, since it uses less digits than its factorization.

2730786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2730786 is about 1652.5090014883. The cubic root of 2730786 is about 139.7749104076.

The spelling of 2730786 in words is "two million, seven hundred thirty thousand, seven hundred eighty-six".