9999051 has 8 divisors (see below), whose sum is σ = 13469904. Its totient is φ = 6597120.

The previous prime is 9999049. The next prime is 9999053. The reversal of 9999051 is 1509999.

It is an interprime number because it is at equal distance from previous prime (9999049) and next prime (9999053).

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

It is not a de Polignac number, because 9999051 - 2¹ = 9999049 is a prime.

9999051 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9998994 and 9999012.

It is not an unprimeable number, because it can be changed into a prime (9999053) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16890 + ... + 17471.

It is an arithmetic number, because the mean of its divisors is an integer number (1683738).

Almost surely, 2^9999051 is an apocalyptic number.

9999051 is a deficient number, since it is larger than the sum of its proper divisors (3470853).

9999051 is a wasteful number, since it uses less digits than its factorization.

9999051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34461.

The product of its (nonzero) digits is 32805, while the sum is 42.

The square root of 9999051 is about 3162.1276065333. The cubic root of 9999051 is about 215.4366535925.

The spelling of 9999051 in words is "nine million, nine hundred ninety-nine thousand, fifty-one".