2706390 has 24 divisors (see below), whose sum is σ = 7036848. Its totient is φ = 721680.

The previous prime is 2706343. The next prime is 2706391. The reversal of 2706390 is 936072.

2706390 is a `hidden beast` number, since 27 + 0 + 639 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2706391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14946 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (293202).

2^2706390 is an apocalyptic number.

2706390 is an abundant number, since it is smaller than the sum of its proper divisors (4330458).

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

2706390 is a wasteful number, since it uses less digits than its factorization.

2706390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30084 (or 30081 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 2706390 is about 1645.1109385084. The cubic root of 2706390 is about 139.3574293977.

The spelling of 2706390 in words is "two million, seven hundred six thousand, three hundred ninety".