5487639 has 8 divisors (see below), whose sum is σ = 7635072. Its totient is φ = 3499320.

The previous prime is 5487631. The next prime is 5487659. The reversal of 5487639 is 9367845.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5487639 - 2³ = 5487631 is a prime.

It is a super-2 number, since 2×5487639² = 60228363588642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5487639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5487631) 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 7 ways as a sum of consecutive naturals, for example, 39697 + ... + 39834.

It is an arithmetic number, because the mean of its divisors is an integer number (954384).

Almost surely, 2^5487639 is an apocalyptic number.

5487639 is a deficient number, since it is larger than the sum of its proper divisors (2147433).

5487639 is a wasteful number, since it uses less digits than its factorization.

5487639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79557.

The product of its digits is 181440, while the sum is 42.

The square root of 5487639 is about 2342.5710234697. The cubic root of 5487639 is about 176.3850792857.

The spelling of 5487639 in words is "five million, four hundred eighty-seven thousand, six hundred thirty-nine".