10385403 has 48 divisors (see below), whose sum is σ = 17335296. Its totient is φ = 5503680.

The previous prime is 10385399. The next prime is 10385407. The reversal of 10385403 is 30458301.

10385403 is a nontrivial binomial coefficient, being equal to C(4558, 2).

It is an interprime number because it is at equal distance from previous prime (10385399) and next prime (10385407).

It is not a de Polignac number, because 10385403 - 2² = 10385399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10385407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195925 + ... + 195977.

It is an arithmetic number, because the mean of its divisors is an integer number (361152).

Almost surely, 2^10385403 is an apocalyptic number.

10385403 is the 4557-th triangular number and also the 2279-th hexagonal number.

10385403 is a deficient number, since it is larger than the sum of its proper divisors (6949893).

10385403 is a wasteful number, since it uses less digits than its factorization.

10385403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 10385403 is about 3222.6391358636. The cubic root of 10385403 is about 218.1764066050.

It can be divided in two parts, 1038 and 5403, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 10385403 in words is "ten million, three hundred eighty-five thousand, four hundred three".