847850490 has 160 divisors (see below), whose sum is σ = 2430648000. Its totient is φ = 211444992.

The previous prime is 847850461. The next prime is 847850491. The reversal of 847850490 is 94058748.

847850490 is a `hidden beast` number, since 84 + 7 + 85 + 0 + 490 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (847850491) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1369401 + ... + 1370019.

It is an arithmetic number, because the mean of its divisors is an integer number (15191550).

Almost surely, 2^847850490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847850490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215324000).

847850490 is an abundant number, since it is smaller than the sum of its proper divisors (1582797510).

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

847850490 is a wasteful number, since it uses less digits than its factorization.

847850490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 847850490 is about 29117.8723467220. The cubic root of 847850490 is about 946.4690680341.

The spelling of 847850490 in words is "eight hundred forty-seven million, eight hundred fifty thousand, four hundred ninety".