34564866 has 16 divisors (see below), whose sum is σ = 79005504. Its totient is φ = 9875664.

The previous prime is 34564861. The next prime is 34564867. The reversal of 34564866 is 66846543.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 822973 = 34564866 / (3 + 4 + 5 + 6 + 4 + 8 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (34564861) 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 7 ways as a sum of consecutive naturals, for example, 411445 + ... + 411528.

It is an arithmetic number, because the mean of its divisors is an integer number (4937844).

Almost surely, 2^34564866 is an apocalyptic number.

34564866 is an abundant number, since it is smaller than the sum of its proper divisors (44440638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34564866 is a wasteful number, since it uses less digits than its factorization.

34564866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822985.

The product of its digits is 414720, while the sum is 42.

The square root of 34564866 is about 5879.1892298173. The cubic root of 34564866 is about 325.7454007232.

It can be divided in two parts, 3456486 and 6, that multiplied together give a square (20738916 = 4554²).

The spelling of 34564866 in words is "thirty-four million, five hundred sixty-four thousand, eight hundred sixty-six".