5403942 has 64 divisors (see below), whose sum is σ = 13248000. Its totient is φ = 1625184.

The previous prime is 5403917. The next prime is 5403949. The reversal of 5403942 is 2493045.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5403949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23484 + ... + 23712.

It is an arithmetic number, because the mean of its divisors is an integer number (207000).

Almost surely, 2^5403942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5403942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6624000).

5403942 is an abundant number, since it is smaller than the sum of its proper divisors (7844058).

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

5403942 is a wasteful number, since it uses less digits than its factorization.

5403942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 276 counting only the distinct ones).

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

The square root of 5403942 is about 2324.6380363403. The cubic root of 5403942 is about 175.4837445679.

Adding to 5403942 its reverse (2493045), we get a palindrome (7896987).

The spelling of 5403942 in words is "five million, four hundred three thousand, nine hundred forty-two".