19982046 has 16 divisors (see below), whose sum is σ = 45673344. Its totient is φ = 5709144.

The previous prime is 19982029. The next prime is 19982063. The reversal of 19982046 is 64028991.

It is an interprime number because it is at equal distance from previous prime (19982029) and next prime (19982063).

It is a super-2 number, since 2×19982046² = 798564324692232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19981995 and 19982013.

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, 237840 + ... + 237923.

It is an arithmetic number, because the mean of its divisors is an integer number (2854584).

Almost surely, 2^19982046 is an apocalyptic number.

19982046 is an abundant number, since it is smaller than the sum of its proper divisors (25691298).

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

19982046 is a wasteful number, since it uses less digits than its factorization.

19982046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475775.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 19982046 is about 4470.1281860815. The cubic root of 19982046 is about 271.3605129192.

The spelling of 19982046 in words is "nineteen million, nine hundred eighty-two thousand, forty-six".