305894 has 4 divisors (see below), whose sum is σ = 458844. Its totient is φ = 152946.

The previous prime is 305873. The next prime is 305917. The reversal of 305894 is 498503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498503 = 19 ⋅26237.

It is a super-2 number, since 2×305894² = 187142278472, which contains 22 as substring.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 305894.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76472 + ... + 76475.

It is an arithmetic number, because the mean of its divisors is an integer number (114711).

2³⁰⁵⁸⁹⁴ is an apocalyptic number.

305894 is a deficient number, since it is larger than the sum of its proper divisors (152950).

305894 is a wasteful number, since it uses less digits than its factorization.

305894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152949.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 305894 is about 553.0768481866. The cubic root of 305894 is about 67.3788590812.

The spelling of 305894 in words is "three hundred five thousand, eight hundred ninety-four".