3142986 has 32 divisors (see below), whose sum is σ = 7838208. Its totient is φ = 816240.

The previous prime is 3142981. The next prime is 3142987. The reversal of 3142986 is 6892413.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2940 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (244944).

Almost surely, 2^3142986 is an apocalyptic number.

3142986 is an abundant number, since it is smaller than the sum of its proper divisors (4695222).

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

3142986 is a wasteful number, since it uses less digits than its factorization.

3142986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6826.

The product of its digits is 10368, while the sum is 33.

The square root of 3142986 is about 1772.8468630990. The cubic root of 3142986 is about 146.4808378840.

The spelling of 3142986 in words is "three million, one hundred forty-two thousand, nine hundred eighty-six".