3142838 has 4 divisors (see below), whose sum is σ = 4714260. Its totient is φ = 1571418.

The previous prime is 3142837. The next prime is 3142849. The reversal of 3142838 is 8382413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8382413 = 13 ⋅644801.

It is a self number, because there is not a number n which added to its sum of digits gives 3142838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 785708 + ... + 785711.

It is an arithmetic number, because the mean of its divisors is an integer number (1178565).

Almost surely, 2^3142838 is an apocalyptic number.

3142838 is a deficient number, since it is larger than the sum of its proper divisors (1571422).

3142838 is a wasteful number, since it uses less digits than its factorization.

3142838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571421.

The product of its digits is 4608, while the sum is 29.

The square root of 3142838 is about 1772.8051218338. The cubic root of 3142838 is about 146.4785386369.

The spelling of 3142838 in words is "three million, one hundred forty-two thousand, eight hundred thirty-eight".