5390865 has 12 divisors (see below), whose sum is σ = 9344244. Its totient is φ = 2875104.

The previous prime is 5390857. The next prime is 5390873. The reversal of 5390865 is 5680935.

5390865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5390857) and next prime (5390873).

It can be written as a sum of positive squares in 2 ways, for example, as 4198401 + 1192464 = 2049^2 + 1092^2 .

It is not a de Polignac number, because 5390865 - 2³ = 5390857 is a prime.

It is a super-2 number, since 2×5390865² = 58122850896450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59854 + ... + 59943.

It is an arithmetic number, because the mean of its divisors is an integer number (778687).

Almost surely, 2^5390865 is an apocalyptic number.

It is an amenable number.

5390865 is a deficient number, since it is larger than the sum of its proper divisors (3953379).

5390865 is a wasteful number, since it uses less digits than its factorization.

5390865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119808 (or 119805 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5390865 is about 2321.8236367132. The cubic root of 5390865 is about 175.3420791884.

The spelling of 5390865 in words is "five million, three hundred ninety thousand, eight hundred sixty-five".