34427857 has 4 divisors (see below), whose sum is σ = 35011440. Its totient is φ = 33844276.

The previous prime is 34427831. The next prime is 34427863. The reversal of 34427857 is 75872443.

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 34427857 - 2²³ = 26039249 is a prime.

It is a super-2 number, since 2×34427857² = 2370554675224898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34427257) 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, 291703 + ... + 291820.

It is an arithmetic number, because the mean of its divisors is an integer number (8752860).

Almost surely, 2^34427857 is an apocalyptic number.

It is an amenable number.

34427857 is a deficient number, since it is larger than the sum of its proper divisors (583583).

34427857 is an equidigital number, since it uses as much as digits as its factorization.

34427857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583582.

The product of its digits is 188160, while the sum is 40.

The square root of 34427857 is about 5867.5256284059. The cubic root of 34427857 is about 325.3144317893.

The spelling of 34427857 in words is "thirty-four million, four hundred twenty-seven thousand, eight hundred fifty-seven".