838539000 has 256 divisors, whose sum is σ = 3131856000. Its totient is φ = 206323200.

The previous prime is 838538999. The next prime is 838539047. The reversal of 838539000 is 935838.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 349806 + ... + 352194.

Almost surely, 2^838539000 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 838539000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565928000).

838539000 is an abundant number, since it is smaller than the sum of its proper divisors (2293317000).

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

838539000 is a wasteful number, since it uses less digits than its factorization.

838539000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 838539000 is about 28957.5378787631. The cubic root of 838539000 is about 942.9914507610.

The spelling of 838539000 in words is "eight hundred thirty-eight million, five hundred thirty-nine thousand".