5390646 has 16 divisors (see below), whose sum is σ = 10807344. Its totient is φ = 1792544.

The previous prime is 5390629. The next prime is 5390647. The reversal of 5390646 is 6460935.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5390647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2536 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (675459).

Almost surely, 2^5390646 is an apocalyptic number.

5390646 is an abundant number, since it is smaller than the sum of its proper divisors (5416698).

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

5390646 is a wasteful number, since it uses less digits than its factorization.

5390646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 5390646 is about 2321.7764750294. The cubic root of 5390646 is about 175.3397047744.

The spelling of 5390646 in words is "five million, three hundred ninety thousand, six hundred forty-six".