334666421 has 4 divisors (see below), whose sum is σ = 345462144. Its totient is φ = 323870700.

The previous prime is 334666411. The next prime is 334666427. The reversal of 334666421 is 124666433.

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 334666421 - 2²² = 330472117 is a prime.

It is a super-2 number, since 2×334666421² = 224003226689898482, 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 (334666427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5397815 + ... + 5397876.

It is an arithmetic number, because the mean of its divisors is an integer number (86365536).

Almost surely, 2^334666421 is an apocalyptic number.

334666421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

334666421 is a deficient number, since it is larger than the sum of its proper divisors (10795723).

334666421 is a wasteful number, since it uses less digits than its factorization.

334666421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10795722.

The product of its digits is 62208, while the sum is 35.

The square root of 334666421 is about 18293.8902642385. The cubic root of 334666421 is about 694.2843562564.

The spelling of 334666421 in words is "three hundred thirty-four million, six hundred sixty-six thousand, four hundred twenty-one".