2305236 has 12 divisors (see below), whose sum is σ = 5378912. Its totient is φ = 768408.

The previous prime is 2305169. The next prime is 2305271. The reversal of 2305236 is 6325032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2305236² = 10628226031392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96040 + ... + 96063.

2^2305236 is an apocalyptic number.

It is an amenable number.

2305236 is an abundant number, since it is smaller than the sum of its proper divisors (3073676).

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

2305236 is a wasteful number, since it uses less digits than its factorization.

2305236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192110 (or 192108 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2305236 is about 1518.3003655404. The cubic root of 2305236 is about 132.1007036855.

The spelling of 2305236 in words is "two million, three hundred five thousand, two hundred thirty-six".