1903981416 has 64 divisors (see below), whose sum is σ = 4795951680. Its totient is φ = 629882880.

The previous prime is 1903981397. The next prime is 1903981441. The reversal of 1903981416 is 6141893091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2880126 + ... + 2880786.

It is an arithmetic number, because the mean of its divisors is an integer number (74936745).

Almost surely, 2^1903981416 is an apocalyptic number.

It is an amenable number.

1903981416 is an abundant number, since it is smaller than the sum of its proper divisors (2891970264).

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

1903981416 is a wasteful number, since it uses less digits than its factorization.

1903981416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1903981416 is about 43634.6355089624. The cubic root of 1903981416 is about 1239.4268544450.

The spelling of 1903981416 in words is "one billion, nine hundred three million, nine hundred eighty-one thousand, four hundred sixteen".