3147352 has 32 divisors (see below), whose sum is σ = 6486480. Its totient is φ = 1422720.

The previous prime is 3147349. The next prime is 3147421. The reversal of 3147352 is 2537413.

It is a super-2 number, since 2×3147352² = 19811649223808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5227 + ... + 5797.

Almost surely, 2^3147352 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 3147352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3243240).

3147352 is an abundant number, since it is smaller than the sum of its proper divisors (3339128).

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

3147352 is a wasteful number, since it uses less digits than its factorization.

3147352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 3147352 is about 1774.0777885989. The cubic root of 3147352 is about 146.5486332263.

The spelling of 3147352 in words is "three million, one hundred forty-seven thousand, three hundred fifty-two".