9969450 has 24 divisors (see below), whose sum is σ = 24724608. Its totient is φ = 2658480.

The previous prime is 9969431. The next prime is 9969451. The reversal of 9969450 is 549699.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9969451) 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 11 ways as a sum of consecutive naturals, for example, 33082 + ... + 33381.

It is an arithmetic number, because the mean of its divisors is an integer number (1030192).

Almost surely, 2^9969450 is an apocalyptic number.

9969450 is an abundant number, since it is smaller than the sum of its proper divisors (14755158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9969450 is a wasteful number, since it uses less digits than its factorization.

9969450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66478 (or 66473 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 9969450 is about 3157.4435861944. The cubic root of 9969450 is about 215.2238519418.

The spelling of 9969450 in words is "nine million, nine hundred sixty-nine thousand, four hundred fifty".