9620644 has 12 divisors (see below), whose sum is σ = 18366768. Its totient is φ = 4373000.

The previous prime is 9620641. The next prime is 9620671. The reversal of 9620644 is 4460269.

It is not an unprimeable number, because it can be changed into a prime (9620641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109282 + ... + 109369.

It is an arithmetic number, because the mean of its divisors is an integer number (1530564).

Almost surely, 2^9620644 is an apocalyptic number.

It is an amenable number.

9620644 is a deficient number, since it is larger than the sum of its proper divisors (8746124).

9620644 is a wasteful number, since it uses less digits than its factorization.

9620644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218666 (or 218664 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 9620644 is about 3101.7162990835. The cubic root of 9620644 is about 212.6839486790.

The spelling of 9620644 in words is "nine million, six hundred twenty thousand, six hundred forty-four".