34630381 has 2 divisors, whose sum is σ = 34630382. Its totient is φ = 34630380.

The previous prime is 34630373. The next prime is 34630391. The reversal of 34630381 is 18303643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34327881 + 302500 = 5859^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 34630381 - 2³ = 34630373 is a prime.

It is a super-2 number, since 2×34630381² = 2398526576410322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34630301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17315190 + 17315191.

It is an arithmetic number, because the mean of its divisors is an integer number (17315191).

Almost surely, 2^34630381 is an apocalyptic number.

It is an amenable number.

34630381 is a deficient number, since it is larger than the sum of its proper divisors (1).

34630381 is an equidigital number, since it uses as much as digits as its factorization.

34630381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 34630381 is about 5884.7583637733. The cubic root of 34630381 is about 325.9510791383.

The spelling of 34630381 in words is "thirty-four million, six hundred thirty thousand, three hundred eighty-one".