83519434 has 8 divisors (see below), whose sum is σ = 128665188. Its totient is φ = 40631040.

The previous prime is 83519413. The next prime is 83519437. The reversal of 83519434 is 43491538.

It can be written as a sum of positive squares in 2 ways, for example, as 60450625 + 23068809 = 7775^2 + 4803^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 83519393 and 83519402.

It is not an unprimeable number, because it can be changed into a prime (83519437) 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, 564247 + ... + 564394.

Almost surely, 2^83519434 is an apocalyptic number.

83519434 is a deficient number, since it is larger than the sum of its proper divisors (45145754).

83519434 is a wasteful number, since it uses less digits than its factorization.

83519434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128680.

The product of its digits is 51840, while the sum is 37.

The square root of 83519434 is about 9138.8967605505. The cubic root of 83519434 is about 437.1151384408.

The spelling of 83519434 in words is "eighty-three million, five hundred nineteen thousand, four hundred thirty-four".