3142656 has 132 divisors (see below), whose sum is σ = 10218624. Its totient is φ = 921600.

The previous prime is 3142649. The next prime is 3142661. The reversal of 3142656 is 6562413.

3142656 is a `hidden beast` number, since 3 + 1 + 4 + 2 + 656 = 666.

It is a tau number, because it is divible by the number of its divisors (132).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101361 + ... + 101391.

Almost surely, 2^3142656 is an apocalyptic number.

3142656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3142656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5109312).

3142656 is an abundant number, since it is smaller than the sum of its proper divisors (7075968).

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

3142656 is a wasteful number, since it uses less digits than its factorization.

3142656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 47 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3142656 is about 1772.7537900115. The cubic root of 3142656 is about 146.4757110854.

The spelling of 3142656 in words is "three million, one hundred forty-two thousand, six hundred fifty-six".