84208426 has 8 divisors (see below), whose sum is σ = 128383524. Its totient is φ = 41413920.

The previous prime is 84208417. The next prime is 84208433. The reversal of 84208426 is 62480248.

It can be written as a sum of positive squares in 2 ways, for example, as 77422401 + 6786025 = 8799^2 + 2605^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 84208391 and 84208400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344995 + ... + 345238.

Almost surely, 2^84208426 is an apocalyptic number.

84208426 is a deficient number, since it is larger than the sum of its proper divisors (44175098).

84208426 is a wasteful number, since it uses less digits than its factorization.

84208426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690296.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 84208426 is about 9176.5149158055. The cubic root of 84208426 is about 438.3138392766.

The spelling of 84208426 in words is "eighty-four million, two hundred eight thousand, four hundred twenty-six".