5390645 has 16 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 3952704.

The previous prime is 5390629. The next prime is 5390647. The reversal of 5390645 is 5460935.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5390645 - 2⁴ = 5390629 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 15362 + ... + 15708.

It is an arithmetic number, because the mean of its divisors is an integer number (438480).

Almost surely, 2^5390645 is an apocalyptic number.

It is an amenable number.

5390645 is a deficient number, since it is larger than the sum of its proper divisors (1625035).

5390645 is a wasteful number, since it uses less digits than its factorization.

5390645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5390645 is about 2321.7762596771. The cubic root of 5390645 is about 175.3396939322.

The spelling of 5390645 in words is "five million, three hundred ninety thousand, six hundred forty-five".