82391141 has 16 divisors (see below), whose sum is σ = 96681984. Its totient is φ = 68747184.

The previous prime is 82391063. The next prime is 82391161. The reversal of 82391141 is 14119328.

It is a cyclic number.

It is not a de Polignac number, because 82391141 - 2¹⁴ = 82374757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82391161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72806 + ... + 73928.

It is an arithmetic number, because the mean of its divisors is an integer number (6042624).

Almost surely, 2^82391141 is an apocalyptic number.

It is an amenable number.

82391141 is a deficient number, since it is larger than the sum of its proper divisors (14290843).

82391141 is a wasteful number, since it uses less digits than its factorization.

82391141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

The product of its digits is 1728, while the sum is 29.

The square root of 82391141 is about 9076.9565934844. The cubic root of 82391141 is about 435.1378274665.

The spelling of 82391141 in words is "eighty-two million, three hundred ninety-one thousand, one hundred forty-one".