103381992 has 96 divisors (see below), whose sum is σ = 327862080. Its totient is φ = 28811520.

The previous prime is 103381991. The next prime is 103382017. The reversal of 103381992 is 299183301.

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

It is not an unprimeable number, because it can be changed into a prime (103381991) 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, 18163 + ... + 23165.

It is an arithmetic number, because the mean of its divisors is an integer number (3415230).

Almost surely, 2^103381992 is an apocalyptic number.

103381992 is a gapful number since it is divisible by the number (12) 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 103381992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163931040).

103381992 is an abundant number, since it is smaller than the sum of its proper divisors (224480088).

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

103381992 is a wasteful number, since it uses less digits than its factorization.

103381992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 103381992 is about 10167.6935437689. The cubic root of 103381992 is about 469.3335839753. Note that the first 3 decimals are identical.

The spelling of 103381992 in words is "one hundred three million, three hundred eighty-one thousand, nine hundred ninety-two".