2103839556 has 96 divisors (see below), whose sum is σ = 6397251840. Its totient is φ = 522215424.

The previous prime is 2103839531. The next prime is 2103839557. The reversal of 2103839556 is 6559383012.

It is a super-2 number, since 2×2103839556² = 8852281754780554272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2103839557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38101 + ... + 75228.

It is an arithmetic number, because the mean of its divisors is an integer number (66638040).

Almost surely, 2^2103839556 is an apocalyptic number.

2103839556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2103839556 is an abundant number, since it is smaller than the sum of its proper divisors (4293412284).

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

2103839556 is a wasteful number, since it uses less digits than its factorization.

2103839556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113373 (or 113371 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 2103839556 is about 45867.6308086651. The cubic root of 2103839556 is about 1281.3591430609.

The spelling of 2103839556 in words is "two billion, one hundred three million, eight hundred thirty-nine thousand, five hundred fifty-six".