84568906 has 8 divisors (see below), whose sum is σ = 126913860. Its totient is φ = 42264288.

The previous prime is 84568859. The next prime is 84568927. The reversal of 84568906 is 60986548.

It can be written as a sum of positive squares in 2 ways, for example, as 78765625 + 5803281 = 8875^2 + 2409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141 + ... + 13648.

Almost surely, 2^84568906 is an apocalyptic number.

84568906 is a deficient number, since it is larger than the sum of its proper divisors (42344954).

84568906 is a wasteful number, since it uses less digits than its factorization.

84568906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20168.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 84568906 is about 9196.1353839534. The cubic root of 84568906 is about 438.9383945391.

It can be divided in two parts, 845 and 68906, that added together give a triangular number (69751 = T₃₇₃).

The spelling of 84568906 in words is "eighty-four million, five hundred sixty-eight thousand, nine hundred six".