2305634 has 8 divisors (see below), whose sum is σ = 3497580. Its totient is φ = 1139776.

The previous prime is 2305627. The next prime is 2305637. The reversal of 2305634 is 4365032.

It can be written as a sum of positive squares in 2 ways, for example, as 1951609 + 354025 = 1397^2 + 595^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2305637) 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, 6299 + ... + 6654.

2^2305634 is an apocalyptic number.

2305634 is a deficient number, since it is larger than the sum of its proper divisors (1191946).

2305634 is a wasteful number, since it uses less digits than its factorization.

2305634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13044.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2305634 is about 1518.4314274935. The cubic root of 2305634 is about 132.1083056628.

The spelling of 2305634 in words is "two million, three hundred five thousand, six hundred thirty-four".