5642339 has 4 divisors (see below), whose sum is σ = 5648160. Its totient is φ = 5636520.

The previous prime is 5642323. The next prime is 5642359. The reversal of 5642339 is 9332465.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5642339 - 2⁴ = 5642323 is a prime.

It is a super-3 number, since 3×5642339³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5642309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067 + ... + 3524.

It is an arithmetic number, because the mean of its divisors is an integer number (1412040).

Almost surely, 2^5642339 is an apocalyptic number.

5642339 is a deficient number, since it is larger than the sum of its proper divisors (5821).

5642339 is a wasteful number, since it uses less digits than its factorization.

5642339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820.

The product of its digits is 19440, while the sum is 32.

The square root of 5642339 is about 2375.3608146974. The cubic root of 5642339 is about 178.0272125210.

The spelling of 5642339 in words is "five million, six hundred forty-two thousand, three hundred thirty-nine".