9662620 has 48 divisors (see below), whose sum is σ = 22353408. Its totient is φ = 3479360.

The previous prime is 9662617. The next prime is 9662629. The reversal of 9662620 is 262669.

9662620 = 45² + 46² + ... + 307².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9662629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36609 + ... + 36871.

It is an arithmetic number, because the mean of its divisors is an integer number (465696).

Almost surely, 2^9662620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9662620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11176704).

9662620 is an abundant number, since it is smaller than the sum of its proper divisors (12690788).

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

9662620 is a wasteful number, since it uses less digits than its factorization.

9662620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 9662620 is about 3108.4755106000. The cubic root of 9662620 is about 212.9928215821.

The spelling of 9662620 in words is "nine million, six hundred sixty-two thousand, six hundred twenty".