84661026 has 16 divisors (see below), whose sum is σ = 169718304. Its totient is φ = 28154304.

The previous prime is 84661021. The next prime is 84661033. The reversal of 84661026 is 62016648.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84661021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13696 + ... + 18891.

It is an arithmetic number, because the mean of its divisors is an integer number (10607394).

Almost surely, 2^84661026 is an apocalyptic number.

84661026 is an abundant number, since it is smaller than the sum of its proper divisors (85057278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84661026 is a wasteful number, since it uses less digits than its factorization.

84661026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33025.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 84661026 is about 9201.1426464326. The cubic root of 84661026 is about 439.0977136628.

The spelling of 84661026 in words is "eighty-four million, six hundred sixty-one thousand, twenty-six".