308801 has 2 divisors, whose sum is σ = 308802. Its totient is φ = 308800.

The previous prime is 308773. The next prime is 308809. The reversal of 308801 is 108803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274576 + 34225 = 524^2 + 185^2 .

It is an emirp because it is prime and its reverse (108803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-308801 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308801.

It is not a weakly prime, because it can be changed into another prime (308809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154400 + 154401.

It is an arithmetic number, because the mean of its divisors is an integer number (154401).

2³⁰⁸⁸⁰¹ is an apocalyptic number.

It is an amenable number.

308801 is a deficient number, since it is larger than the sum of its proper divisors (1).

308801 is an equidigital number, since it uses as much as digits as its factorization.

308801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 308801 is about 555.6986593470. The cubic root of 308801 is about 67.5916268237.

The spelling of 308801 in words is "three hundred eight thousand, eight hundred one".