334439421 has 16 divisors (see below), whose sum is σ = 450670080. Its totient is φ = 220595760.

The previous prime is 334439383. The next prime is 334439437. The reversal of 334439421 is 124934433.

It is not a de Polignac number, because 334439421 - 2⁷ = 334439293 is a prime.

It is a super-2 number, since 2×334439421² = 223699452637630482, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334439461) 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, 136816 + ... + 139238.

It is an arithmetic number, because the mean of its divisors is an integer number (28166880).

Almost surely, 2^334439421 is an apocalyptic number.

It is an amenable number.

334439421 is a deficient number, since it is larger than the sum of its proper divisors (116230659).

334439421 is a wasteful number, since it uses less digits than its factorization.

334439421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896.

The product of its digits is 31104, while the sum is 33.

The square root of 334439421 is about 18287.6849546355. The cubic root of 334439421 is about 694.1273459861.

The spelling of 334439421 in words is "three hundred thirty-four million, four hundred thirty-nine thousand, four hundred twenty-one".