103828985 has 8 divisors (see below), whose sum is σ = 134179080. Its totient is φ = 76673664.

The previous prime is 103828973. The next prime is 103828987. The reversal of 103828985 is 589828301.

It can be written as a sum of positive squares in 4 ways, for example, as 6135529 + 97693456 = 2477^2 + 9884^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103828985 is a prime.

It is a super-2 number, since 2×103828985² = 21560916252260450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103828987) 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, 798620 + ... + 798749.

It is an arithmetic number, because the mean of its divisors is an integer number (16772385).

Almost surely, 2^103828985 is an apocalyptic number.

It is an amenable number.

103828985 is a deficient number, since it is larger than the sum of its proper divisors (30350095).

103828985 is a wasteful number, since it uses less digits than its factorization.

103828985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597387.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 103828985 is about 10189.6508772381. The cubic root of 103828985 is about 470.0090310623.

The spelling of 103828985 in words is "one hundred three million, eight hundred twenty-eight thousand, nine hundred eighty-five".