108021630 has 16 divisors (see below), whose sum is σ = 259251984. Its totient is φ = 28805760.

The previous prime is 108021619. The next prime is 108021637. The reversal of 108021630 is 36120801.

It is a junction number, because it is equal to n+sod(n) for n = 108021597 and 108021606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108021637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1800331 + ... + 1800390.

It is an arithmetic number, because the mean of its divisors is an integer number (16203249).

Almost surely, 2^108021630 is an apocalyptic number.

108021630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108021630 is an abundant number, since it is smaller than the sum of its proper divisors (151230354).

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

108021630 is a wasteful number, since it uses less digits than its factorization.

108021630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600731.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 108021630 is about 10393.3454671727. The cubic root of 108021630 is about 476.2521055838.

The spelling of 108021630 in words is "one hundred eight million, twenty-one thousand, six hundred thirty".