83620950 has 144 divisors (see below), whose sum is σ = 249698304. Its totient is φ = 18446400.

The previous prime is 83620913. The next prime is 83620951. The reversal of 83620950 is 5902638.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83620951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 227667 + ... + 228033.

It is an arithmetic number, because the mean of its divisors is an integer number (1734016).

Almost surely, 2^83620950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83620950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124849152).

83620950 is an abundant number, since it is smaller than the sum of its proper divisors (166077354).

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

83620950 is a wasteful number, since it uses less digits than its factorization.

83620950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 83620950 is about 9144.4491359513. The cubic root of 83620950 is about 437.2921679528.

The spelling of 83620950 in words is "eighty-three million, six hundred twenty thousand, nine hundred fifty".