306874 has 4 divisors (see below), whose sum is σ = 460314. Its totient is φ = 153436.

The previous prime is 306871. The next prime is 306877. The reversal of 306874 is 478603.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (306871) and next prime (306877).

It can be written as a sum of positive squares in only one way, i.e., 189225 + 117649 = 435^2 + 343^2 .

It is not an unprimeable number, because it can be changed into a prime (306871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76717 + ... + 76720.

2³⁰⁶⁸⁷⁴ is an apocalyptic number.

306874 is a deficient number, since it is larger than the sum of its proper divisors (153440).

306874 is a wasteful number, since it uses less digits than its factorization.

306874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153439.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 306874 is about 553.9620925659. The cubic root of 306874 is about 67.4507368033.

The spelling of 306874 in words is "three hundred six thousand, eight hundred seventy-four".