84259090 has 8 divisors (see below), whose sum is σ = 151666380. Its totient is φ = 33703632.

The previous prime is 84259079. The next prime is 84259103. The reversal of 84259090 is 9095248.

It can be written as a sum of positive squares in 2 ways, for example, as 80622441 + 3636649 = 8979^2 + 1907^2 .

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

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, 4212945 + ... + 4212964.

Almost surely, 2^84259090 is an apocalyptic number.

84259090 is a deficient number, since it is larger than the sum of its proper divisors (67407290).

84259090 is a wasteful number, since it uses less digits than its factorization.

84259090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425916.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 84259090 is about 9179.2750258395. The cubic root of 84259090 is about 438.4017254947.

The spelling of 84259090 in words is "eighty-four million, two hundred fifty-nine thousand, ninety".