83440835 has 4 divisors (see below), whose sum is σ = 100129008. Its totient is φ = 66752664.

The previous prime is 83440831. The next prime is 83440853. The reversal of 83440835 is 53804438.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83440835 - 2² = 83440831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83440795 and 83440804.

It is not an unprimeable number, because it can be changed into a prime (83440831) 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, 8344079 + ... + 8344088.

It is an arithmetic number, because the mean of its divisors is an integer number (25032252).

Almost surely, 2^83440835 is an apocalyptic number.

83440835 is a deficient number, since it is larger than the sum of its proper divisors (16688173).

83440835 is a wasteful number, since it uses less digits than its factorization.

83440835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16688172.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 83440835 is about 9134.5955028124. The cubic root of 83440835 is about 436.9779743728.

The spelling of 83440835 in words is "eighty-three million, four hundred forty thousand, eight hundred thirty-five".