5402443 has 4 divisors (see below), whose sum is σ = 5418360. Its totient is φ = 5386528.

The previous prime is 5402437. The next prime is 5402471. The reversal of 5402443 is 3442045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5402443 - 2¹³ = 5394251 is a prime.

It is a Duffinian number.

5402443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5402543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7438 + ... + 8131.

It is an arithmetic number, because the mean of its divisors is an integer number (1354590).

Almost surely, 2^5402443 is an apocalyptic number.

5402443 is a deficient number, since it is larger than the sum of its proper divisors (15917).

5402443 is a wasteful number, since it uses less digits than its factorization.

5402443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15916.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 5402443 is about 2324.3155981923. The cubic root of 5402443 is about 175.4675172497.

Adding to 5402443 its reverse (3442045), we get a palindrome (8844488).

The spelling of 5402443 in words is "five million, four hundred two thousand, four hundred forty-three".