1900103408 has 40 divisors (see below), whose sum is σ = 4209825792. Its totient is φ = 813855168.

The previous prime is 1900103399. The next prime is 1900103411. The reversal of 1900103408 is 8043010091.

It is a super-2 number, since 2×1900103408² = 7220785922186428928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243341 + ... + 251027.

Almost surely, 2^1900103408 is an apocalyptic number.

It is an amenable number.

1900103408 is an abundant number, since it is smaller than the sum of its proper divisors (2309722384).

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

1900103408 is a wasteful number, since it uses less digits than its factorization.

1900103408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909 (or 9903 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1900103408 is about 43590.1755903782. The cubic root of 1900103408 is about 1238.5847989161.

Adding to 1900103408 its reverse (8043010091), we get a palindrome (9943113499).

The spelling of 1900103408 in words is "one billion, nine hundred million, one hundred three thousand, four hundred eight".