83613950 has 24 divisors (see below), whose sum is σ = 177740112. Its totient is φ = 28667520.

The previous prime is 83613949. The next prime is 83613983. The reversal of 83613950 is 5931638.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 83613950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119099 + ... + 119798.

It is an arithmetic number, because the mean of its divisors is an integer number (7405838).

Almost surely, 2^83613950 is an apocalyptic number.

83613950 is an abundant number, since it is smaller than the sum of its proper divisors (94126162).

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

83613950 is a wasteful number, since it uses less digits than its factorization.

83613950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238916 (or 238911 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 83613950 is about 9144.0663820863. The cubic root of 83613950 is about 437.2799655458.

The spelling of 83613950 in words is "eighty-three million, six hundred thirteen thousand, nine hundred fifty".