1983084915 has 16 divisors (see below), whose sum is σ = 3626212608. Its totient is φ = 906553056.

The previous prime is 1983084907. The next prime is 1983084919. The reversal of 1983084915 is 5194803891.

It is not a de Polignac number, because 1983084915 - 2³ = 1983084907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1983084919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9443157 + ... + 9443366.

It is an arithmetic number, because the mean of its divisors is an integer number (226638288).

Almost surely, 2^1983084915 is an apocalyptic number.

1983084915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1983084915 is a deficient number, since it is larger than the sum of its proper divisors (1643127693).

1983084915 is a wasteful number, since it uses less digits than its factorization.

1983084915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18886538.

The product of its (nonzero) digits is 311040, while the sum is 48.

The square root of 1983084915 is about 44531.8415855442. The cubic root of 1983084915 is about 1256.3590437264.

The spelling of 1983084915 in words is "one billion, nine hundred eighty-three million, eighty-four thousand, nine hundred fifteen".