83435393 has 4 divisors (see below), whose sum is σ = 84261588. Its totient is φ = 82609200.

The previous prime is 83435383. The next prime is 83435399. The reversal of 83435393 is 39353438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35438209 + 47997184 = 5953^2 + 6928^2 .

It is a cyclic number.

It is not a de Polignac number, because 83435393 - 2⁴ = 83435377 is a prime.

It is a super-2 number, since 2×83435393² = 13922929610128898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83435399) 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, 412946 + ... + 413147.

It is an arithmetic number, because the mean of its divisors is an integer number (21065397).

Almost surely, 2^83435393 is an apocalyptic number.

It is an amenable number.

83435393 is a deficient number, since it is larger than the sum of its proper divisors (826195).

83435393 is a wasteful number, since it uses less digits than its factorization.

83435393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826194.

The product of its digits is 116640, while the sum is 38.

The square root of 83435393 is about 9134.2976194122. The cubic root of 83435393 is about 436.9684742848.

The spelling of 83435393 in words is "eighty-three million, four hundred thirty-five thousand, three hundred ninety-three".