5403405 has 16 divisors (see below), whose sum is σ = 9880704. Its totient is φ = 2470080.

The previous prime is 5403401. The next prime is 5403427. The reversal of 5403405 is 5043045.

It is a happy number.

It is not a de Polignac number, because 5403405 - 2² = 5403401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5403401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25626 + ... + 25835.

It is an arithmetic number, because the mean of its divisors is an integer number (617544).

Almost surely, 2^5403405 is an apocalyptic number.

It is an amenable number.

5403405 is a deficient number, since it is larger than the sum of its proper divisors (4477299).

5403405 is a wasteful number, since it uses less digits than its factorization.

5403405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51476.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 5403405 is about 2324.5225316181. The cubic root of 5403405 is about 175.4779316575.

The spelling of 5403405 in words is "five million, four hundred three thousand, four hundred five".