10909620 has 96 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 2863872.

The previous prime is 10909601. The next prime is 10909621. The reversal of 10909620 is 2690901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10909621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47947 + ... + 48173.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^10909620 is an apocalyptic number.

10909620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10909620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17236800).

10909620 is an abundant number, since it is smaller than the sum of its proper divisors (23563980).

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

10909620 is a wasteful number, since it uses less digits than its factorization.

10909620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10909620 is about 3302.9713895219. The cubic root of 10909620 is about 221.7872322304.

The spelling of 10909620 in words is "ten million, nine hundred nine thousand, six hundred twenty".