34280857 has 16 divisors (see below), whose sum is σ = 39351312. Its totient is φ = 29583360.

The previous prime is 34280849. The next prime is 34280861. The reversal of 34280857 is 75808243.

It can be written as a sum of positive squares in 8 ways, for example, as 594441 + 33686416 = 771^2 + 5804^2 .

It is a cyclic number.

It is not a de Polignac number, because 34280857 - 2³ = 34280849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34280837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39573 + ... + 40429.

It is an arithmetic number, because the mean of its divisors is an integer number (2459457).

Almost surely, 2^34280857 is an apocalyptic number.

It is an amenable number.

34280857 is a deficient number, since it is larger than the sum of its proper divisors (5070455).

34280857 is a wasteful number, since it uses less digits than its factorization.

34280857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 34280857 is about 5854.9856532702. The cubic root of 34280857 is about 324.8507622508.

The spelling of 34280857 in words is "thirty-four million, two hundred eighty thousand, eight hundred fifty-seven".