9901234 has 24 divisors (see below), whose sum is σ = 17532288. Its totient is φ = 4180680.

The previous prime is 9901231. The next prime is 9901253. The reversal of 9901234 is 4321099.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9901231) 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 11 ways as a sum of consecutive naturals, for example, 6247 + ... + 7669.

It is an arithmetic number, because the mean of its divisors is an integer number (730512).

Almost surely, 2^9901234 is an apocalyptic number.

9901234 is a deficient number, since it is larger than the sum of its proper divisors (7631054).

9901234 is a wasteful number, since it uses less digits than its factorization.

9901234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9901234 is about 3146.6226338727. The cubic root of 9901234 is about 214.7318380154.

The spelling of 9901234 in words is "nine million, nine hundred one thousand, two hundred thirty-four".