847040490 has 40 divisors (see below), whose sum is σ = 2277599940. Its totient is φ = 225877248.

The previous prime is 847040489. The next prime is 847040507. The reversal of 847040490 is 94040748.

It can be written as a sum of positive squares in 2 ways, for example, as 795070809 + 51969681 = 28197^2 + 7209^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 522055 + ... + 523674.

Almost surely, 2^847040490 is an apocalyptic number.

847040490 is an abundant number, since it is smaller than the sum of its proper divisors (1430559450).

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

847040490 is a wasteful number, since it uses less digits than its factorization.

847040490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045748 (or 1045739 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 847040490 is about 29103.9600398296. The cubic root of 847040490 is about 946.1675666797.

The spelling of 847040490 in words is "eight hundred forty-seven million, forty thousand, four hundred ninety".