923621616 has 120 divisors (see below), whose sum is σ = 2821902720. Its totient is φ = 291646656.

The previous prime is 923621579. The next prime is 923621617. The reversal of 923621616 is 616126329.

It is a happy number.

923621616 is a `hidden beast` number, since 9 + 2 + 36 + 2 + 1 + 616 = 666.

923621616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923621617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67621 + ... + 80123.

It is an arithmetic number, because the mean of its divisors is an integer number (23515856).

Almost surely, 2^923621616 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 923621616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410951360).

923621616 is an abundant number, since it is smaller than the sum of its proper divisors (1898281104).

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

923621616 is a wasteful number, since it uses less digits than its factorization.

923621616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12545 (or 12527 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 923621616 is about 30391.1437099692. The cubic root of 923621616 is about 973.8633665771.

The spelling of 923621616 in words is "nine hundred twenty-three million, six hundred twenty-one thousand, six hundred sixteen".