1983480 has 32 divisors (see below), whose sum is σ = 5950800. Its totient is φ = 528896.

The previous prime is 1983479. The next prime is 1983491. The reversal of 1983480 is 843891.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8145 + ... + 8384.

2^1983480 is an apocalyptic number.

1983480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1983480 is an abundant number, since it is smaller than the sum of its proper divisors (3967320).

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

1983480 is a wasteful number, since it uses less digits than its factorization.

1983480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16543 (or 16539 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1983480 is about 1408.3607492401. The cubic root of 1983480 is about 125.6442471933.

The spelling of 1983480 in words is "one million, nine hundred eighty-three thousand, four hundred eighty".