83498281 has 4 divisors (see below), whose sum is σ = 84744592. Its totient is φ = 82251972.

The previous prime is 83498243. The next prime is 83498291. The reversal of 83498281 is 18289438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83498281 - 2⁹ = 83497769 is a prime.

It is a super-2 number, since 2×83498281² = 13943925859909922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83498291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623055 + ... + 623188.

It is an arithmetic number, because the mean of its divisors is an integer number (21186148).

Almost surely, 2^83498281 is an apocalyptic number.

It is an amenable number.

83498281 is a deficient number, since it is larger than the sum of its proper divisors (1246311).

83498281 is a wasteful number, since it uses less digits than its factorization.

83498281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246310.

The product of its digits is 110592, while the sum is 43.

The square root of 83498281 is about 9137.7393812693. The cubic root of 83498281 is about 437.0782325504.

The spelling of 83498281 in words is "eighty-three million, four hundred ninety-eight thousand, two hundred eighty-one".