5639473 has 4 divisors (see below), whose sum is σ = 6445120. Its totient is φ = 4833828.

The previous prime is 5639467. The next prime is 5639479. The reversal of 5639473 is 3749365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5639467) and next prime (5639479).

It is a cyclic number.

It is not a de Polignac number, because 5639473 - 2⁹ = 5638961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5639479) 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, 402813 + ... + 402826.

It is an arithmetic number, because the mean of its divisors is an integer number (1611280).

Almost surely, 2^5639473 is an apocalyptic number.

It is an amenable number.

5639473 is a deficient number, since it is larger than the sum of its proper divisors (805647).

5639473 is an equidigital number, since it uses as much as digits as its factorization.

5639473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805646.

The product of its digits is 68040, while the sum is 37.

The square root of 5639473 is about 2374.7574613000. The cubic root of 5639473 is about 177.9970647161.

The spelling of 5639473 in words is "five million, six hundred thirty-nine thousand, four hundred seventy-three".