103838640 has 40 divisors (see below), whose sum is σ = 321900528. Its totient is φ = 27690240.

The previous prime is 103838639. The next prime is 103838641. The reversal of 103838640 is 46838301.

It is an interprime number because it is at equal distance from previous prime (103838639) and next prime (103838641).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (103838641) 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, 216091 + ... + 216570.

Almost surely, 2^103838640 is an apocalyptic number.

103838640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103838640 is an abundant number, since it is smaller than the sum of its proper divisors (218061888).

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

103838640 is a wasteful number, since it uses less digits than its factorization.

103838640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432677 (or 432671 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 103838640 is about 10190.1246312300. The cubic root of 103838640 is about 470.0235992375.

The spelling of 103838640 in words is "one hundred three million, eight hundred thirty-eight thousand, six hundred forty".