82042046 has 4 divisors (see below), whose sum is σ = 123063072. Its totient is φ = 41021022.

The previous prime is 82042043. The next prime is 82042063. The reversal of 82042046 is 64024028.

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

It is a super-2 number, since 2×82042046² = 13461794623732232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82042043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20510510 + ... + 20510513.

It is an arithmetic number, because the mean of its divisors is an integer number (30765768).

Almost surely, 2^82042046 is an apocalyptic number.

82042046 is a deficient number, since it is larger than the sum of its proper divisors (41021026).

82042046 is a wasteful number, since it uses less digits than its factorization.

82042046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41021025.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 82042046 is about 9057.7064425825. The cubic root of 82042046 is about 434.5223912013.

The spelling of 82042046 in words is "eighty-two million, forty-two thousand, forty-six".