82436426 has 4 divisors (see below), whose sum is σ = 123654642. Its totient is φ = 41218212.

The previous prime is 82436413. The next prime is 82436441. The reversal of 82436426 is 62463428.

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

It can be written as a sum of positive squares in only one way, i.e., 65205625 + 17230801 = 8075^2 + 4151^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20609105 + ... + 20609108.

Almost surely, 2^82436426 is an apocalyptic number.

82436426 is a deficient number, since it is larger than the sum of its proper divisors (41218216).

82436426 is a wasteful number, since it uses less digits than its factorization.

82436426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41218215.

The product of its digits is 55296, while the sum is 35.

The square root of 82436426 is about 9079.4507543133. The cubic root of 82436426 is about 435.2175350951.

The spelling of 82436426 in words is "eighty-two million, four hundred thirty-six thousand, four hundred twenty-six".