402371 has 2 divisors, whose sum is σ = 402372. Its totient is φ = 402370.

The previous prime is 402361. The next prime is 402379. The reversal of 402371 is 173204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402371 - 2⁶ = 402307 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201185 + 201186.

It is an arithmetic number, because the mean of its divisors is an integer number (201186).

2⁴⁰²³⁷¹ is an apocalyptic number.

402371 is a deficient number, since it is larger than the sum of its proper divisors (1).

402371 is an equidigital number, since it uses as much as digits as its factorization.

402371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 402371 is about 634.3272026328. The cubic root of 402371 is about 73.8259239179.

Adding to 402371 its reverse (173204), we get a palindrome (575575).

The spelling of 402371 in words is "four hundred two thousand, three hundred seventy-one", and thus it is an iban number.