402307 has 2 divisors, whose sum is σ = 402308. Its totient is φ = 402306.

The previous prime is 402299. The next prime is 402313. The reversal of 402307 is 703204.

402307 is nontrivially palindromic in base 7.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402307 - 2³ = 402299 is a prime.

It is an Ulam number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402307.

It is not a weakly prime, because it can be changed into another prime (402107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201153 + 201154.

It is an arithmetic number, because the mean of its divisors is an integer number (201154).

2⁴⁰²³⁰⁷ is an apocalyptic number.

402307 is a deficient number, since it is larger than the sum of its proper divisors (1).

402307 is an equidigital number, since it uses as much as digits as its factorization.

402307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 402307 is about 634.2767534760. The cubic root of 402307 is about 73.8220095291.

The spelling of 402307 in words is "four hundred two thousand, three hundred seven", and thus it is an iban number.