83439000 has 192 divisors, whose sum is σ = 288138240. Its totient is φ = 21772800.

The previous prime is 83438983. The next prime is 83439079. The reversal of 83439000 is 93438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 656937 + ... + 657063.

It is an arithmetic number, because the mean of its divisors is an integer number (1500720).

Almost surely, 2^83439000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83439000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144069120).

83439000 is an abundant number, since it is smaller than the sum of its proper divisors (204699240).

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

83439000 is a wasteful number, since it uses less digits than its factorization.

83439000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 83439000 is about 9134.4950599363. The cubic root of 83439000 is about 436.9747710633.

The spelling of 83439000 in words is "eighty-three million, four hundred thirty-nine thousand".