34927381 has 2 divisors, whose sum is σ = 34927382. Its totient is φ = 34927380.

The previous prime is 34927379. The next prime is 34927391. The reversal of 34927381 is 18372943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23435281 + 11492100 = 4841^2 + 3390^2 .

It is a cyclic number.

It is not a de Polignac number, because 34927381 - 2¹ = 34927379 is a prime.

It is a super-2 number, since 2×34927381² = 2439843887038322, which contains 22 as substring.

Together with 34927379, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 34927381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34927391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17463690 + 17463691.

It is an arithmetic number, because the mean of its divisors is an integer number (17463691).

Almost surely, 2^34927381 is an apocalyptic number.

It is an amenable number.

34927381 is a deficient number, since it is larger than the sum of its proper divisors (1).

34927381 is an equidigital number, since it uses as much as digits as its factorization.

34927381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 34927381 is about 5909.9391705837. The cubic root of 34927381 is about 326.8802443141.

It can be divided in two parts, 349 and 27381, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 34927381 in words is "thirty-four million, nine hundred twenty-seven thousand, three hundred eighty-one".