308427 has 16 divisors (see below), whose sum is σ = 495360. Its totient is φ = 166752.

The previous prime is 308423. The next prime is 308437. The reversal of 308427 is 724803.

It is not a de Polignac number, because 308427 - 2² = 308423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 308397 and 308406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308427.

It is not an unprimeable number, because it can be changed into a prime (308423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13 + ... + 785.

It is an arithmetic number, because the mean of its divisors is an integer number (30960).

2³⁰⁸⁴²⁷ is an apocalyptic number.

308427 is a deficient number, since it is larger than the sum of its proper divisors (186933).

308427 is a wasteful number, since it uses less digits than its factorization.

308427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 308427 is about 555.3620440758. The cubic root of 308427 is about 67.5643282497.

The spelling of 308427 in words is "three hundred eight thousand, four hundred twenty-seven".