9957903 has 8 divisors (see below), whose sum is σ = 14058288. Its totient is φ = 6248064.

The previous prime is 9957901. The next prime is 9957947. The reversal of 9957903 is 3097599.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9957903 - 2¹ = 9957901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957901) 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, 97576 + ... + 97677.

It is an arithmetic number, because the mean of its divisors is an integer number (1757286).

Almost surely, 2^9957903 is an apocalyptic number.

9957903 is a deficient number, since it is larger than the sum of its proper divisors (4100385).

9957903 is a wasteful number, since it uses less digits than its factorization.

9957903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195273.

The product of its (nonzero) digits is 76545, while the sum is 42.

The square root of 9957903 is about 3155.6145201846. The cubic root of 9957903 is about 215.1407263292.

The spelling of 9957903 in words is "nine million, nine hundred fifty-seven thousand, nine hundred three".