82690194 has 64 divisors (see below), whose sum is σ = 178899840. Its totient is φ = 25428480.

The previous prime is 82690189. The next prime is 82690199. The reversal of 82690194 is 49109628.

It is an interprime number because it is at equal distance from previous prime (82690189) and next prime (82690199).

It is not an unprimeable number, because it can be changed into a prime (82690199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477892 + ... + 478064.

It is an arithmetic number, because the mean of its divisors is an integer number (2795310).

Almost surely, 2^82690194 is an apocalyptic number.

82690194 is an abundant number, since it is smaller than the sum of its proper divisors (96209646).

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

82690194 is a wasteful number, since it uses less digits than its factorization.

82690194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 82690194 is about 9093.4148701134. The cubic root of 82690194 is about 435.6636612943.

The spelling of 82690194 in words is "eighty-two million, six hundred ninety thousand, one hundred ninety-four".