3147264 has 60 divisors (see below), whose sum is σ = 9096516. Its totient is φ = 1047552.

The previous prime is 3147259. The next prime is 3147269. The reversal of 3147264 is 4627413.

It is an interprime number because it is at equal distance from previous prime (3147259) and next prime (3147269).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3147269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4267 + ... + 4949.

Almost surely, 2^3147264 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 3147264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4548258).

3147264 is an abundant number, since it is smaller than the sum of its proper divisors (5949252).

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

3147264 is an equidigital number, since it uses as much as digits as its factorization.

3147264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 688 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 3147264 is about 1774.0529868073. The cubic root of 3147264 is about 146.5472673797.

The spelling of 3147264 in words is "three million, one hundred forty-seven thousand, two hundred sixty-four".