337421 has 16 divisors (see below), whose sum is σ = 422400. Its totient is φ = 263088.

The previous prime is 337411. The next prime is 337427. The reversal of 337421 is 124733.

It is not a de Polignac number, because 337421 - 2¹⁰ = 336397 is a prime.

It is a super-2 number, since 2×337421² = 227705862482, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 337393 and 337402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (337427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5690 + ... + 5748.

It is an arithmetic number, because the mean of its divisors is an integer number (26400).

2³³⁷⁴²¹ is an apocalyptic number.

It is an amenable number.

337421 is a deficient number, since it is larger than the sum of its proper divisors (84979).

337421 is a wasteful number, since it uses less digits than its factorization.

337421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128.

The product of its digits is 504, while the sum is 20.

The square root of 337421 is about 580.8795055775. The cubic root of 337421 is about 69.6183997022.

The spelling of 337421 in words is "three hundred thirty-seven thousand, four hundred twenty-one".