83528540 has 24 divisors (see below), whose sum is σ = 175658112. Its totient is φ = 33364160.

The previous prime is 83528413. The next prime is 83528551. The reversal of 83528540 is 4582538.

It is a self number, because there is not a number n which added to its sum of digits gives 83528540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13877 + ... + 18963.

It is an arithmetic number, because the mean of its divisors is an integer number (7319088).

Almost surely, 2^83528540 is an apocalyptic number.

It is an amenable number.

83528540 is an abundant number, since it is smaller than the sum of its proper divisors (92129572).

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

83528540 is a wasteful number, since it uses less digits than its factorization.

83528540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917 (or 5915 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 83528540 is about 9139.3949471505. The cubic root of 83528540 is about 437.1310238686.

The spelling of 83528540 in words is "eighty-three million, five hundred twenty-eight thousand, five hundred forty".