3491715852 has 72 divisors (see below), whose sum is σ = 8974536480. Its totient is φ = 1144454400.

The previous prime is 3491715847. The next prime is 3491715853. The reversal of 3491715852 is 2585171943.

3491715852 is a `hidden beast` number, since 3 + 491 + 7 + 158 + 5 + 2 = 666.

It is a super-2 number, since 2×3491715852² = 24384159182216171808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3491715798 and 3491715807.

It is not an unprimeable number, because it can be changed into a prime (3491715853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 941602 + ... + 945302.

It is an arithmetic number, because the mean of its divisors is an integer number (124646340).

Almost surely, 2^3491715852 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 3491715852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4487268240).

3491715852 is an abundant number, since it is smaller than the sum of its proper divisors (5482820628).

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

3491715852 is a wasteful number, since it uses less digits than its factorization.

3491715852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143 (or 4138 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 3491715852 is about 59090.7425236813. The cubic root of 3491715852 is about 1517.0956561529.

The spelling of 3491715852 in words is "three billion, four hundred ninety-one million, seven hundred fifteen thousand, eight hundred fifty-two".