8350840 has 64 divisors (see below), whose sum is σ = 20347200. Its totient is φ = 3075072.

The previous prime is 8350831. The next prime is 8350841. The reversal of 8350840 is 480538.

It is a junction number, because it is equal to n+sod(n) for n = 8350799 and 8350808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8350841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26524 + ... + 26836.

It is an arithmetic number, because the mean of its divisors is an integer number (317925).

Almost surely, 2^8350840 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 8350840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10173600).

8350840 is an abundant number, since it is smaller than the sum of its proper divisors (11996360).

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

8350840 is a wasteful number, since it uses less digits than its factorization.

8350840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 8350840 is about 2889.7819986982. The cubic root of 8350840 is about 202.8819393272.

The spelling of 8350840 in words is "eight million, three hundred fifty thousand, eight hundred forty".