5499639 has 6 divisors (see below), whose sum is σ = 7943936. Its totient is φ = 3666420.

The previous prime is 5499587. The next prime is 5499671. The reversal of 5499639 is 9369945.

It is a happy number.

5499639 is a `hidden beast` number, since 5 + 4 + 9 + 9 + 639 = 666.

It is not a de Polignac number, because 5499639 - 2⁸ = 5499383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5499594 and 5499603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5499839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305527 + ... + 305544.

Almost surely, 2^5499639 is an apocalyptic number.

5499639 is a deficient number, since it is larger than the sum of its proper divisors (2444297).

5499639 is a wasteful number, since it uses less digits than its factorization.

5499639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611077 (or 611074 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 5499639 is about 2345.1309131901. The cubic root of 5499639 is about 176.5135546947.

The spelling of 5499639 in words is "five million, four hundred ninety-nine thousand, six hundred thirty-nine".