9945050 has 12 divisors (see below), whose sum is σ = 18497886. Its totient is φ = 3978000.

The previous prime is 9945049. The next prime is 9945053. The reversal of 9945050 is 505499.

It can be written as a sum of positive squares in 3 ways, for example, as 5480281 + 4464769 = 2341^2 + 2113^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9944998 and 9945016.

It is not an unprimeable number, because it can be changed into a prime (9945053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99401 + ... + 99500.

Almost surely, 2^9945050 is an apocalyptic number.

9945050 is a deficient number, since it is larger than the sum of its proper divisors (8552836).

9945050 is a wasteful number, since it uses less digits than its factorization.

9945050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198913 (or 198908 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 9945050 is about 3153.5773337592. The cubic root of 9945050 is about 215.0481233543.

The spelling of 9945050 in words is "nine million, nine hundred forty-five thousand, fifty".