82193901 has 16 divisors (see below), whose sum is σ = 112516608. Its totient is φ = 53352000.

The previous prime is 82193899. The next prime is 82193921. The reversal of 82193901 is 10939128.

It is not a de Polignac number, because 82193901 - 2¹ = 82193899 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82193921) 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, 16260 + ... + 20706.

It is an arithmetic number, because the mean of its divisors is an integer number (7032288).

Almost surely, 2^82193901 is an apocalyptic number.

It is an amenable number.

82193901 is a deficient number, since it is larger than the sum of its proper divisors (30322707).

82193901 is a wasteful number, since it uses less digits than its factorization.

82193901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 82193901 is about 9066.0852080708. The cubic root of 82193901 is about 434.7903177571.

The spelling of 82193901 in words is "eighty-two million, one hundred ninety-three thousand, nine hundred one".