3143664 has 80 divisors (see below), whose sum is σ = 9523200. Its totient is φ = 990144.

The previous prime is 3143641. The next prime is 3143671. The reversal of 3143664 is 4663413.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8017 + ... + 8399.

It is an arithmetic number, because the mean of its divisors is an integer number (119040).

Almost surely, 2^3143664 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 3143664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4761600).

3143664 is an abundant number, since it is smaller than the sum of its proper divisors (6379536).

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

3143664 is a wasteful number, since it uses less digits than its factorization.

3143664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 407 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 3143664 is about 1773.0380706573. The cubic root of 3143664 is about 146.4913699988.

The spelling of 3143664 in words is "three million, one hundred forty-three thousand, six hundred sixty-four".