9001897834 has 16 divisors (see below), whose sum is σ = 14298897600. Its totient is φ = 4235664064.

The previous prime is 9001897829. The next prime is 9001897847. The reversal of 9001897834 is 4387981009.

It is a happy number.

It is a super-2 number, since 2×9001897834² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492837 + ... + 510775.

It is an arithmetic number, because the mean of its divisors is an integer number (893681100).

Almost surely, 2^9001897834 is an apocalyptic number.

9001897834 is a deficient number, since it is larger than the sum of its proper divisors (5296999766).

9001897834 is a wasteful number, since it uses less digits than its factorization.

9001897834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32717.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 9001897834 is about 94878.3317412358. The cubic root of 9001897834 is about 2080.2300221761.

The spelling of 9001897834 in words is "nine billion, one million, eight hundred ninety-seven thousand, eight hundred thirty-four".