5654639 has 4 divisors (see below), whose sum is σ = 5747400. Its totient is φ = 5561880.

The previous prime is 5654581. The next prime is 5654641. The reversal of 5654639 is 9364565.

5654639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5654639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5654689) 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, 46289 + ... + 46410.

It is an arithmetic number, because the mean of its divisors is an integer number (1436850).

Almost surely, 2^5654639 is an apocalyptic number.

5654639 is a deficient number, since it is larger than the sum of its proper divisors (92761).

5654639 is an equidigital number, since it uses as much as digits as its factorization.

5654639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92760.

The product of its digits is 97200, while the sum is 38.

The square root of 5654639 is about 2377.9484855648. The cubic root of 5654639 is about 178.1564819291.

The spelling of 5654639 in words is "five million, six hundred fifty-four thousand, six hundred thirty-nine".