2345506 has 8 divisors (see below), whose sum is σ = 3558060. Its totient is φ = 1159488.

The previous prime is 2345501. The next prime is 2345509. The reversal of 2345506 is 6055432.

It can be written as a sum of positive squares in 2 ways, for example, as 2325625 + 19881 = 1525^2 + 141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2345501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6411 + ... + 6766.

2^2345506 is an apocalyptic number.

2345506 is a deficient number, since it is larger than the sum of its proper divisors (1212554).

2345506 is a wasteful number, since it uses less digits than its factorization.

2345506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13268.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2345506 is about 1531.5044890564. The cubic root of 2345506 is about 132.8654867054.

It can be divided in two parts, 2345 and 506, that multiplied together give a triangular number (1186570 = T₁₅₄₀).

The spelling of 2345506 in words is "two million, three hundred forty-five thousand, five hundred six".