308606 has 4 divisors (see below), whose sum is σ = 462912. Its totient is φ = 154302.

The previous prime is 308597. The next prime is 308621. The reversal of 308606 is 606803.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77150 + ... + 77153.

It is an arithmetic number, because the mean of its divisors is an integer number (115728).

2³⁰⁸⁶⁰⁶ is an apocalyptic number.

308606 is a deficient number, since it is larger than the sum of its proper divisors (154306).

308606 is a wasteful number, since it uses less digits than its factorization.

308606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154305.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 308606 is about 555.5231768342. The cubic root of 308606 is about 67.5773963619.

The spelling of 308606 in words is "three hundred eight thousand, six hundred six".