371389 has 2 divisors, whose sum is σ = 371390. Its totient is φ = 371388.

The previous prime is 371387. The next prime is 371417. The reversal of 371389 is 983173.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 60025 = 558^2 + 245^2 .

It is an emirp because it is prime and its reverse (983173) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 371389 - 2¹ = 371387 is a prime.

Together with 371387, it forms a pair of twin primes.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 371389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (371383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185694 + 185695.

It is an arithmetic number, because the mean of its divisors is an integer number (185695).

2³⁷¹³⁸⁹ is an apocalyptic number.

It is an amenable number.

371389 is a deficient number, since it is larger than the sum of its proper divisors (1).

371389 is an equidigital number, since it uses as much as digits as its factorization.

371389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 371389 is about 609.4169344546. The cubic root of 371389 is about 71.8802665328.

The spelling of 371389 in words is "three hundred seventy-one thousand, three hundred eighty-nine".