366397 has 2 divisors, whose sum is σ = 366398. Its totient is φ = 366396.

The previous prime is 366383. The next prime is 366409. The reversal of 366397 is 793663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241081 + 125316 = 491^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 366397 - 2⁷ = 366269 is a prime.

366397 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183198 + 183199.

It is an arithmetic number, because the mean of its divisors is an integer number (183199).

2³⁶⁶³⁹⁷ is an apocalyptic number.

It is an amenable number.

366397 is a deficient number, since it is larger than the sum of its proper divisors (1).

366397 is an equidigital number, since it uses as much as digits as its factorization.

366397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 34.

The square root of 366397 is about 605.3073599420. The cubic root of 366397 is about 71.5567547812.

The spelling of 366397 in words is "three hundred sixty-six thousand, three hundred ninety-seven".