2306642 has 16 divisors (see below), whose sum is σ = 3776640. Its totient is φ = 1050192.

The previous prime is 2306641. The next prime is 2306651. The reversal of 2306642 is 2466032.

It is not an unprimeable number, because it can be changed into a prime (2306641) 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, 1493 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (236040).

2^2306642 is an apocalyptic number.

2306642 is a deficient number, since it is larger than the sum of its proper divisors (1469998).

2306642 is a wasteful number, since it uses less digits than its factorization.

2306642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2306642 is about 1518.7633126989. The cubic root of 2306642 is about 132.1275549988.

The spelling of 2306642 in words is "two million, three hundred six thousand, six hundred forty-two".