83240842 has 8 divisors (see below), whose sum is σ = 125108100. Its totient is φ = 41538144.

The previous prime is 83240831. The next prime is 83240849. The reversal of 83240842 is 24804238.

It can be written as a sum of positive squares in 2 ways, for example, as 83156161 + 84681 = 9119^2 + 291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (83240849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39867 + ... + 41902.

Almost surely, 2^83240842 is an apocalyptic number.

83240842 is a deficient number, since it is larger than the sum of its proper divisors (41867258).

83240842 is a wasteful number, since it uses less digits than its factorization.

83240842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82280.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 83240842 is about 9123.6419263362. The cubic root of 83240842 is about 436.6285753020.

The spelling of 83240842 in words is "eighty-three million, two hundred forty thousand, eight hundred forty-two".