3143864 has 8 divisors (see below), whose sum is σ = 5894760. Its totient is φ = 1571928.

The previous prime is 3143863. The next prime is 3143897. The reversal of 3143864 is 4683413.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196484 + ... + 196499.

It is an arithmetic number, because the mean of its divisors is an integer number (736845).

Almost surely, 2^3143864 is an apocalyptic number.

It is an amenable number.

3143864 is a deficient number, since it is larger than the sum of its proper divisors (2750896).

3143864 is a wasteful number, since it uses less digits than its factorization.

3143864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392989 (or 392985 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 3143864 is about 1773.0944701284. The cubic root of 3143864 is about 146.4944765280.

The spelling of 3143864 in words is "three million, one hundred forty-three thousand, eight hundred sixty-four".