9999475 has 6 divisors (see below), whose sum is σ = 12399380. Its totient is φ = 7999560.

The previous prime is 9999469. The next prime is 9999481. The reversal of 9999475 is 5749999.

It is an interprime number because it is at equal distance from previous prime (9999469) and next prime (9999481).

It is not a de Polignac number, because 9999475 - 2⁷ = 9999347 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199965 + ... + 200014.

Almost surely, 2^9999475 is an apocalyptic number.

9999475 is a deficient number, since it is larger than the sum of its proper divisors (2399905).

9999475 is a wasteful number, since it uses less digits than its factorization.

9999475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399989 (or 399984 counting only the distinct ones).

The product of its digits is 918540, while the sum is 52.

The square root of 9999475 is about 3162.1946492903. The cubic root of 9999475 is about 215.4396986765.

The spelling of 9999475 in words is "nine million, nine hundred ninety-nine thousand, four hundred seventy-five".