9903434 has 16 divisors (see below), whose sum is σ = 15120000. Its totient is φ = 4864464.

The previous prime is 9903431. The next prime is 9903451. The reversal of 9903434 is 4343099.

9903434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9903434.

It is not an unprimeable number, because it can be changed into a prime (9903431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49667 + ... + 49865.

It is an arithmetic number, because the mean of its divisors is an integer number (945000).

Almost surely, 2^9903434 is an apocalyptic number.

9903434 is a deficient number, since it is larger than the sum of its proper divisors (5216566).

9903434 is a wasteful number, since it uses less digits than its factorization.

9903434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 9903434 is about 3146.9721956191. The cubic root of 9903434 is about 214.7477409173.

The spelling of 9903434 in words is "nine million, nine hundred three thousand, four hundred thirty-four".