334402421 has 4 divisors (see below), whose sum is σ = 334506144. Its totient is φ = 334298700.

The previous prime is 334402417. The next prime is 334402423. The reversal of 334402421 is 124204433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 334402421 - 2² = 334402417 is a prime.

It is a super-2 number, since 2×334402421² = 223649958341322482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334402423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46865 + ... + 53526.

It is an arithmetic number, because the mean of its divisors is an integer number (83626536).

Almost surely, 2^334402421 is an apocalyptic number.

It is an amenable number.

334402421 is a deficient number, since it is larger than the sum of its proper divisors (103723).

334402421 is a wasteful number, since it uses less digits than its factorization.

334402421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103722.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 334402421 is about 18286.6733169267. The cubic root of 334402421 is about 694.1017472704.

Adding to 334402421 its reverse (124204433), we get a palindrome (458606854).

The spelling of 334402421 in words is "three hundred thirty-four million, four hundred two thousand, four hundred twenty-one".