82643190 has 32 divisors (see below), whose sum is σ = 226679040. Its totient is φ = 18889824.

The previous prime is 82643177. The next prime is 82643201. The reversal of 82643190 is 9134628.

It is a super-3 number, since 3×82643190³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196560 + ... + 196979.

It is an arithmetic number, because the mean of its divisors is an integer number (7083720).

Almost surely, 2^82643190 is an apocalyptic number.

82643190 is an abundant number, since it is smaller than the sum of its proper divisors (144035850).

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

82643190 is a wasteful number, since it uses less digits than its factorization.

82643190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393556.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 82643190 is about 9090.8299951105. The cubic root of 82643190 is about 435.5810968245.

The spelling of 82643190 in words is "eighty-two million, six hundred forty-three thousand, one hundred ninety".