34930421 has 2 divisors, whose sum is σ = 34930422. Its totient is φ = 34930420.

The previous prime is 34930391. The next prime is 34930429. The reversal of 34930421 is 12403943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20376196 + 14554225 = 4514^2 + 3815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34930421 is a prime.

It is a super-2 number, since 2×34930421² = 2440268622474482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34930429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17465210 + 17465211.

It is an arithmetic number, because the mean of its divisors is an integer number (17465211).

Almost surely, 2^34930421 is an apocalyptic number.

It is an amenable number.

34930421 is a deficient number, since it is larger than the sum of its proper divisors (1).

34930421 is an equidigital number, since it uses as much as digits as its factorization.

34930421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 34930421 is about 5910.1963588361. The cubic root of 34930421 is about 326.8897276772.

The spelling of 34930421 in words is "thirty-four million, nine hundred thirty thousand, four hundred twenty-one".