305674 has 4 divisors (see below), whose sum is σ = 458514. Its totient is φ = 152836.

The previous prime is 305663. The next prime is 305717. The reversal of 305674 is 476503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476503 = 83 ⋅5741.

It can be written as a sum of positive squares in only one way, i.e., 297025 + 8649 = 545^2 + 93^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76417 + ... + 76420.

2³⁰⁵⁶⁷⁴ is an apocalyptic number.

305674 is a deficient number, since it is larger than the sum of its proper divisors (152840).

305674 is a wasteful number, since it uses less digits than its factorization.

305674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152839.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 305674 is about 552.8779250431. The cubic root of 305674 is about 67.3627021727.

It can be divided in two parts, 305 and 674, that added together give a palindrome (979).

The spelling of 305674 in words is "three hundred five thousand, six hundred seventy-four".