83495421 has 16 divisors (see below), whose sum is σ = 127041600. Its totient is φ = 54158544.

The previous prime is 83495413. The next prime is 83495473. The reversal of 83495421 is 12459438.

It is not a de Polignac number, because 83495421 - 2³ = 83495413 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 (83495411) 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, 40791 + ... + 42788.

It is an arithmetic number, because the mean of its divisors is an integer number (7940100).

Almost surely, 2^83495421 is an apocalyptic number.

It is an amenable number.

83495421 is a deficient number, since it is larger than the sum of its proper divisors (43546179).

83495421 is a wasteful number, since it uses less digits than its factorization.

83495421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83625 (or 83619 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 83495421 is about 9137.5828860810. The cubic root of 83495421 is about 437.0732421961.

The spelling of 83495421 in words is "eighty-three million, four hundred ninety-five thousand, four hundred twenty-one".