83534919 has 24 divisors (see below), whose sum is σ = 125420400. Its totient is φ = 49158912.

The previous prime is 83534909. The next prime is 83534947. The reversal of 83534919 is 91943538.

It is not a de Polignac number, because 83534919 - 2⁸ = 83534663 is a prime.

It is a super-2 number, since 2×83534919² = 13956165384673122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83534909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18607 + ... + 22655.

It is an arithmetic number, because the mean of its divisors is an integer number (5225850).

Almost surely, 2^83534919 is an apocalyptic number.

83534919 is a deficient number, since it is larger than the sum of its proper divisors (41885481).

83534919 is a wasteful number, since it uses less digits than its factorization.

83534919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111 (or 4088 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 83534919 is about 9139.7439242027. The cubic root of 83534919 is about 437.1421513540.

The spelling of 83534919 in words is "eighty-three million, five hundred thirty-four thousand, nine hundred nineteen".