9401644 has 24 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 4015056.

The previous prime is 9401633. The next prime is 9401647. The reversal of 9401644 is 4461049.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (9401647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12717 + ... + 13435.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^9401644 is an apocalyptic number.

It is an amenable number.

9401644 is an abundant number, since it is smaller than the sum of its proper divisors (9468116).

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

9401644 is a wasteful number, since it uses less digits than its factorization.

9401644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 9401644 is about 3066.2100384677. The cubic root of 9401644 is about 211.0577322313.

The spelling of 9401644 in words is "nine million, four hundred one thousand, six hundred forty-four".