10103840 has 24 divisors (see below), whose sum is σ = 23870700. Its totient is φ = 4041472.

The previous prime is 10103833. The next prime is 10103843. The reversal of 10103840 is 4830101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9709456 + 394384 = 3116^2 + 628^2 .

It is not an unprimeable number, because it can be changed into a prime (10103843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31415 + ... + 31734.

Almost surely, 2^10103840 is an apocalyptic number.

10103840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10103840 is an abundant number, since it is smaller than the sum of its proper divisors (13766860).

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

10103840 is an equidigital number, since it uses as much as digits as its factorization.

10103840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63164 (or 63156 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10103840 is about 3178.6538031060. The cubic root of 10103840 is about 216.1866242610.

Adding to 10103840 its reverse (4830101), we get a palindrome (14933941).

The spelling of 10103840 in words is "ten million, one hundred three thousand, eight hundred forty".