3143740 has 24 divisors (see below), whose sum is σ = 6950160. Its totient is φ = 1191168.

The previous prime is 3143731. The next prime is 3143761. The reversal of 3143740 is 473413.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3757 + ... + 4516.

It is an arithmetic number, because the mean of its divisors is an integer number (289590).

Almost surely, 2^3143740 is an apocalyptic number.

It is an amenable number.

3143740 is an abundant number, since it is smaller than the sum of its proper divisors (3806420).

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

3143740 is a wasteful number, since it uses less digits than its factorization.

3143740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8301 (or 8299 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3143740 is about 1773.0595026676. The cubic root of 3143740 is about 146.4925504954.

It can be divided in two parts, 3143 and 740, that added together give a palindrome (3883).

The spelling of 3143740 in words is "three million, one hundred forty-three thousand, seven hundred forty".