9999452 has 6 divisors (see below), whose sum is σ = 17499048. Its totient is φ = 4999724.

The previous prime is 9999433. The next prime is 9999463. The reversal of 9999452 is 2549999.

It is a junction number, because it is equal to n+sod(n) for n = 9999397 and 9999406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249928 + ... + 1249935.

It is an arithmetic number, because the mean of its divisors is an integer number (2916508).

Almost surely, 2^9999452 is an apocalyptic number.

It is an amenable number.

9999452 is a deficient number, since it is larger than the sum of its proper divisors (7499596).

9999452 is a wasteful number, since it uses less digits than its factorization.

9999452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499867 (or 2499865 counting only the distinct ones).

The product of its digits is 262440, while the sum is 47.

The square root of 9999452 is about 3162.1910125734. The cubic root of 9999452 is about 215.4395334973.

The spelling of 9999452 in words is "nine million, nine hundred ninety-nine thousand, four hundred fifty-two".