9945459 has 12 divisors (see below), whose sum is σ = 15210936. Its totient is φ = 6240192.

The previous prime is 9945457. The next prime is 9945461. The reversal of 9945459 is 9545499.

It is an interprime number because it is at equal distance from previous prime (9945457) and next prime (9945461).

It is not a de Polignac number, because 9945459 - 2¹ = 9945457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9945457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32349 + ... + 32654.

It is an arithmetic number, because the mean of its divisors is an integer number (1267578).

Almost surely, 2^9945459 is an apocalyptic number.

9945459 is a deficient number, since it is larger than the sum of its proper divisors (5265477).

9945459 is a wasteful number, since it uses less digits than its factorization.

9945459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65026 (or 65023 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 9945459 is about 3153.6421800832. The cubic root of 9945459 is about 215.0510713360.

It can be divided in two parts, 9945 and 459, that added together give a square (10404 = 102²).

The spelling of 9945459 in words is "nine million, nine hundred forty-five thousand, four hundred fifty-nine".