339047421 has 4 divisors (see below), whose sum is σ = 452063232. Its totient is φ = 226031612.

The previous prime is 339047417. The next prime is 339047461. The reversal of 339047421 is 124740933.

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 339047421 - 2² = 339047417 is a prime.

It is a super-2 number, since 2×339047421² = 229906307373502482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339047411) 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, 56507901 + ... + 56507906.

It is an arithmetic number, because the mean of its divisors is an integer number (113015808).

Almost surely, 2^339047421 is an apocalyptic number.

It is an amenable number.

339047421 is a deficient number, since it is larger than the sum of its proper divisors (113015811).

339047421 is a wasteful number, since it uses less digits than its factorization.

339047421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113015810.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 339047421 is about 18413.2403720801. The cubic root of 339047421 is about 697.3007758249.

The spelling of 339047421 in words is "three hundred thirty-nine million, forty-seven thousand, four hundred twenty-one".