83950890 has 16 divisors (see below), whose sum is σ = 201482208. Its totient is φ = 22386896.

The previous prime is 83950861. The next prime is 83950907. The reversal of 83950890 is 9805938.

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, 1399152 + ... + 1399211.

It is an arithmetic number, because the mean of its divisors is an integer number (12592638).

Almost surely, 2^83950890 is an apocalyptic number.

83950890 is an abundant number, since it is smaller than the sum of its proper divisors (117531318).

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

83950890 is a wasteful number, since it uses less digits than its factorization.

83950890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798373.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 83950890 is about 9162.4718280604. The cubic root of 83950890 is about 437.8665488645.

The spelling of 83950890 in words is "eighty-three million, nine hundred fifty thousand, eight hundred ninety".