370421 has 2 divisors, whose sum is σ = 370422. Its totient is φ = 370420.

The previous prime is 370411. The next prime is 370423. The reversal of 370421 is 124073.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 130321 = 490^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 370421 - 2¹⁴ = 354037 is a prime.

Together with 370423, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 370421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (370423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185210 + 185211.

It is an arithmetic number, because the mean of its divisors is an integer number (185211).

2³⁷⁰⁴²¹ is an apocalyptic number.

It is an amenable number.

370421 is a deficient number, since it is larger than the sum of its proper divisors (1).

370421 is an equidigital number, since it uses as much as digits as its factorization.

370421 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 17.

The square root of 370421 is about 608.6222145141. The cubic root of 370421 is about 71.8177618655.

Adding to 370421 its reverse (124073), we get a palindrome (494494).

The spelling of 370421 in words is "three hundred seventy thousand, four hundred twenty-one", and thus it is an iban number.