1085894634 has 32 divisors (see below), whose sum is σ = 2413934784. Its totient is φ = 322849280.

The previous prime is 1085894603. The next prime is 1085894639. The reversal of 1085894634 is 4364985801.

It is a super-2 number, since 2×1085894634² = 2358334312299987912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1085894639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151719 + ... + 158714.

It is an arithmetic number, because the mean of its divisors is an integer number (75435462).

Almost surely, 2^1085894634 is an apocalyptic number.

1085894634 is an abundant number, since it is smaller than the sum of its proper divisors (1328040150).

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

1085894634 is a wasteful number, since it uses less digits than its factorization.

1085894634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310502.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 1085894634 is about 32952.9154097175. The cubic root of 1085894634 is about 1027.8487901311.

The spelling of 1085894634 in words is "one billion, eighty-five million, eight hundred ninety-four thousand, six hundred thirty-four".