413661982 has 4 divisors (see below), whose sum is σ = 620492976. Its totient is φ = 206830990.

The previous prime is 413661973. The next prime is 413662009. The reversal of 413661982 is 289166314.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×413661982² = 342232470704336648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103415494 + ... + 103415497.

It is an arithmetic number, because the mean of its divisors is an integer number (155123244).

Almost surely, 2^413661982 is an apocalyptic number.

413661982 is a deficient number, since it is larger than the sum of its proper divisors (206830994).

413661982 is a wasteful number, since it uses less digits than its factorization.

413661982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206830993.

The product of its digits is 62208, while the sum is 40.

The square root of 413661982 is about 20338.6819140278. The cubic root of 413661982 is about 745.1010970412.

The spelling of 413661982 in words is "four hundred thirteen million, six hundred sixty-one thousand, nine hundred eighty-two".