372421 has 8 divisors (see below), whose sum is σ = 431424. Its totient is φ = 314880.

The previous prime is 372413. The next prime is 372443. The reversal of 372421 is 124273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 372421 - 2³ = 372413 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261 + ... + 901.

It is an arithmetic number, because the mean of its divisors is an integer number (53928).

2³⁷²⁴²¹ is an apocalyptic number.

It is an amenable number.

372421 is a deficient number, since it is larger than the sum of its proper divisors (59003).

372421 is an equidigital number, since it uses as much as digits as its factorization.

372421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 336, while the sum is 19.

The square root of 372421 is about 610.2630580332. The cubic root of 372421 is about 71.9467842372.

Adding to 372421 its reverse (124273), we get a palindrome (496694).

The spelling of 372421 in words is "three hundred seventy-two thousand, four hundred twenty-one", and thus it is an iban number.