103855620 has 96 divisors (see below), whose sum is σ = 323326080. Its totient is φ = 24693760.

The previous prime is 103855579. The next prime is 103855627. The reversal of 103855620 is 26558301.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (103855627) 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, 33496 + ... + 36464.

It is an arithmetic number, because the mean of its divisors is an integer number (3367980).

Almost surely, 2^103855620 is an apocalyptic number.

103855620 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 103855620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161663040).

103855620 is an abundant number, since it is smaller than the sum of its proper divisors (219470460).

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

103855620 is a wasteful number, since it uses less digits than its factorization.

103855620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 103855620 is about 10190.9577567567. The cubic root of 103855620 is about 470.0492177219.

The spelling of 103855620 in words is "one hundred three million, eight hundred fifty-five thousand, six hundred twenty".