84689026 has 8 divisors (see below), whose sum is σ = 130132044. Its totient is φ = 41311680.

The previous prime is 84689021. The next prime is 84689029. The reversal of 84689026 is 62098648.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84658401 + 30625 = 9201^2 + 175^2 .

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

It is a super-2 number, since 2×84689026² = 14344462249657352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84689021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516315 + ... + 516478.

Almost surely, 2^84689026 is an apocalyptic number.

84689026 is a deficient number, since it is larger than the sum of its proper divisors (45443018).

84689026 is a wasteful number, since it uses less digits than its factorization.

84689026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032836.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 84689026 is about 9202.6640708004. The cubic root of 84689026 is about 439.1461160245.

The spelling of 84689026 in words is "eighty-four million, six hundred eighty-nine thousand, twenty-six".