1982913 has 8 divisors (see below), whose sum is σ = 2653728. Its totient is φ = 1317024.

The previous prime is 1982909. The next prime is 1982917. The reversal of 1982913 is 3192891.

It is an interprime number because it is at equal distance from previous prime (1982909) and next prime (1982917).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1982913 - 2² = 1982909 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1982917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (331716).

2^1982913 is an apocalyptic number.

It is an amenable number.

1982913 is a deficient number, since it is larger than the sum of its proper divisors (670815).

1982913 is a wasteful number, since it uses less digits than its factorization.

1982913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463.

The product of its digits is 3888, while the sum is 33.

The square root of 1982913 is about 1408.1594369957. The cubic root of 1982913 is about 125.6322737800.

The spelling of 1982913 in words is "one million, nine hundred eighty-two thousand, nine hundred thirteen".