2305390994 has 4 divisors (see below), whose sum is σ = 3458086494. Its totient is φ = 1152695496.

The previous prime is 2305390943. The next prime is 2305391003. The reversal of 2305390994 is 4990935032.

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., 1305882769 + 999508225 = 36137^2 + 31615^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576347747 + ... + 576347750.

Almost surely, 2^2305390994 is an apocalyptic number.

2305390994 is a deficient number, since it is larger than the sum of its proper divisors (1152695500).

2305390994 is a wasteful number, since it uses less digits than its factorization.

2305390994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152695499.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 2305390994 is about 48014.4873345535. The cubic root of 2305390994 is about 1321.0366424397.

The spelling of 2305390994 in words is "two billion, three hundred five million, three hundred ninety thousand, nine hundred ninety-four".