2305994 has 4 divisors (see below), whose sum is σ = 3458994. Its totient is φ = 1152996.

The previous prime is 2305987. The next prime is 2306023. The reversal of 2305994 is 4995032.

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., 1428025 + 877969 = 1195^2 + 937^2 .

It is a Curzon number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2305994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576497 + ... + 576500.

2^2305994 is an apocalyptic number.

2305994 is a deficient number, since it is larger than the sum of its proper divisors (1153000).

2305994 is a wasteful number, since it uses less digits than its factorization.

2305994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152999.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2305994 is about 1518.5499662507. The cubic root of 2305994 is about 132.1151810695.

The spelling of 2305994 in words is "two million, three hundred five thousand, nine hundred ninety-four".