5178942 has 24 divisors (see below), whose sum is σ = 11302200. Its totient is φ = 1713840.

The previous prime is 5178941. The next prime is 5178947. The reversal of 5178942 is 2498715.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5178897 and 5178906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1717 + ... + 3647.

It is an arithmetic number, because the mean of its divisors is an integer number (470925).

Almost surely, 2^5178942 is an apocalyptic number.

5178942 is an abundant number, since it is smaller than the sum of its proper divisors (6123258).

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

5178942 is a wasteful number, since it uses less digits than its factorization.

5178942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088 (or 2085 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 5178942 is about 2275.7288942227. The cubic root of 5178942 is about 173.0136423247.

The spelling of 5178942 in words is "five million, one hundred seventy-eight thousand, nine hundred forty-two".