83534340 has 48 divisors (see below), whose sum is σ = 237202560. Its totient is φ = 21960960.

The previous prime is 83534333. The next prime is 83534359. The reversal of 83534340 is 4343538.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 83534298 and 83534307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5545 + ... + 14064.

It is an arithmetic number, because the mean of its divisors is an integer number (4941720).

Almost surely, 2^83534340 is an apocalyptic number.

It is an amenable number.

83534340 is an abundant number, since it is smaller than the sum of its proper divisors (153668220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83534340 is a wasteful number, since it uses less digits than its factorization.

83534340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19692 (or 19690 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 83534340 is about 9139.7122492998. The cubic root of 83534340 is about 437.1411413736.

Adding to 83534340 its reverse (4343538), we get a palindrome (87877878).

The spelling of 83534340 in words is "eighty-three million, five hundred thirty-four thousand, three hundred forty".