9444820 has 48 divisors (see below), whose sum is σ = 24732288. Its totient is φ = 2943360.

The previous prime is 9444811. The next prime is 9444823. The reversal of 9444820 is 284449.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9444823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527 + ... + 4606.

It is an arithmetic number, because the mean of its divisors is an integer number (515256).

Almost surely, 2^9444820 is an apocalyptic number.

It is an amenable number.

9444820 is an abundant number, since it is smaller than the sum of its proper divisors (15287468).

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

9444820 is a wasteful number, since it uses less digits than its factorization.

9444820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160 (or 6158 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 9444820 is about 3073.2425872358. The cubic root of 9444820 is about 211.3803252640.

It can be divided in two parts, 9444 and 820, that multiplied together give a triangular number (7744080 = T₃₉₃₅).

The spelling of 9444820 in words is "nine million, four hundred forty-four thousand, eight hundred twenty".