9620440 has 32 divisors (see below), whose sum is σ = 22589280. Its totient is φ = 3680512.

The previous prime is 9620437. The next prime is 9620473. The reversal of 9620440 is 440269.

9620440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4309 + ... + 6148.

It is an arithmetic number, because the mean of its divisors is an integer number (705915).

Almost surely, 2^9620440 is an apocalyptic number.

It is an amenable number.

9620440 is an abundant number, since it is smaller than the sum of its proper divisors (12968840).

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

9620440 is a wasteful number, since it uses less digits than its factorization.

9620440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491 (or 10487 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 9620440 is about 3101.6834138899. The cubic root of 9620440 is about 212.6824453898.

The spelling of 9620440 in words is "nine million, six hundred twenty thousand, four hundred forty".