894866690 has 16 divisors (see below), whose sum is σ = 1611816192. Its totient is φ = 357711984.

The previous prime is 894866671. The next prime is 894866701. The reversal of 894866690 is 96668498.

It is a super-2 number, since 2×894866690² = 1601572785743112200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12884 + ... + 44223.

It is an arithmetic number, because the mean of its divisors is an integer number (100738512).

Almost surely, 2^894866690 is an apocalyptic number.

894866690 is a deficient number, since it is larger than the sum of its proper divisors (716949502).

894866690 is a wasteful number, since it uses less digits than its factorization.

894866690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58681.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The square root of 894866690 is about 29914.3224894030. The cubic root of 894866690 is about 963.6502701398.

The spelling of 894866690 in words is "eight hundred ninety-four million, eight hundred sixty-six thousand, six hundred ninety".