103851840 has 56 divisors (see below), whose sum is σ = 329732640. Its totient is φ = 27693568.

The previous prime is 103851823. The next prime is 103851851. The reversal of 103851840 is 48158301.

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

It is a junction number, because it is equal to n+sod(n) for n = 103851798 and 103851807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53130 + ... + 55049.

Almost surely, 2^103851840 is an apocalyptic number.

103851840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103851840 is an abundant number, since it is smaller than the sum of its proper divisors (225880800).

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

103851840 is a wasteful number, since it uses less digits than its factorization.

103851840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108199 (or 108189 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 103851840 is about 10190.7722965436. The cubic root of 103851840 is about 470.0435149087.

The spelling of 103851840 in words is "one hundred three million, eight hundred fifty-one thousand, eight hundred forty".