5540646 has 8 divisors (see below), whose sum is σ = 11081304. Its totient is φ = 1846880.

The previous prime is 5540641. The next prime is 5540659. The reversal of 5540646 is 6460455.

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

5540646 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540641) 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, 461715 + ... + 461726.

It is an arithmetic number, because the mean of its divisors is an integer number (1385163).

Almost surely, 2^5540646 is an apocalyptic number.

5540646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5540646 is a wasteful number, since it uses less digits than its factorization.

5540646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923446.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 5540646 is about 2353.8576847380. The cubic root of 5540646 is about 176.9511819149.

The spelling of 5540646 in words is "five million, five hundred forty thousand, six hundred forty-six".