5403665 has 8 divisors (see below), whose sum is σ = 6659880. Its totient is φ = 4205952.

The previous prime is 5403661. The next prime is 5403667. The reversal of 5403665 is 5663045.

It can be written as a sum of positive squares in 4 ways, for example, as 1274641 + 4129024 = 1129^2 + 2032^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5403665 - 2² = 5403661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5403661) 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, 14420 + ... + 14789.

It is an arithmetic number, because the mean of its divisors is an integer number (832485).

Almost surely, 2^5403665 is an apocalyptic number.

It is an amenable number.

5403665 is a deficient number, since it is larger than the sum of its proper divisors (1256215).

5403665 is a wasteful number, since it uses less digits than its factorization.

5403665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29251.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 5403665 is about 2324.5784564088. The cubic root of 5403665 is about 175.4807461501.

The spelling of 5403665 in words is "five million, four hundred three thousand, six hundred sixty-five".