2345906 has 4 divisors (see below), whose sum is σ = 3518862. Its totient is φ = 1172952.

The previous prime is 2345891. The next prime is 2345909. The reversal of 2345906 is 6095432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1190281 + 1155625 = 1091^2 + 1075^2 .

It is not an unprimeable number, because it can be changed into a prime (2345909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586475 + ... + 586478.

2^2345906 is an apocalyptic number.

2345906 is a deficient number, since it is larger than the sum of its proper divisors (1172956).

2345906 is a wasteful number, since it uses less digits than its factorization.

2345906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172955.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2345906 is about 1531.6350740304. The cubic root of 2345906 is about 132.8730391872.

The spelling of 2345906 in words is "two million, three hundred forty-five thousand, nine hundred six".