9903475 has 12 divisors (see below), whose sum is σ = 12421080. Its totient is φ = 7832000.

The previous prime is 9903473. The next prime is 9903493. The reversal of 9903475 is 5743099.

9903475 is a nontrivial binomial coefficient, being equal to C(4451, 2).

It is not a de Polignac number, because 9903475 - 2¹ = 9903473 is a prime.

It is a super-3 number, since 3×9903475³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9903473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1 + ... + 4450.

It is an arithmetic number, because the mean of its divisors is an integer number (1035090).

Almost surely, 2^9903475 is an apocalyptic number.

9903475 is the 4450-th triangular number.

9903475 is the 1484-th centered nonagonal number.

9903475 is a deficient number, since it is larger than the sum of its proper divisors (2517605).

9903475 is a wasteful number, since it uses less digits than its factorization.

9903475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 9903475 is about 3146.9787098104. The cubic root of 9903475 is about 214.7480372672.

It can be divided in two parts, 990 and 3475, that added together give a triangular number (4465 = T₉₄).

The spelling of 9903475 in words is "nine million, nine hundred three thousand, four hundred seventy-five".