34280819 has 2 divisors, whose sum is σ = 34280820. Its totient is φ = 34280818.

The previous prime is 34280809. The next prime is 34280837. The reversal of 34280819 is 91808243.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34280819 - 2⁴ = 34280803 is a prime.

It is a super-2 number, since 2×34280819² = 2350349102621522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (34280809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17140409 + 17140410.

It is an arithmetic number, because the mean of its divisors is an integer number (17140410).

Almost surely, 2^34280819 is an apocalyptic number.

34280819 is a deficient number, since it is larger than the sum of its proper divisors (1).

34280819 is an equidigital number, since it uses as much as digits as its factorization.

34280819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 34280819 is about 5854.9824081717. The cubic root of 34280819 is about 324.8506422194.

The spelling of 34280819 in words is "thirty-four million, two hundred eighty thousand, eight hundred nineteen".