5420909 has 16 divisors (see below), whose sum is σ = 6511680. Its totient is φ = 4458240.

The previous prime is 5420879. The next prime is 5420917. The reversal of 5420909 is 9090245.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5420909 is a prime.

5420909 is a modest number, since divided by 909 gives 542 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420929) 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, 3554 + ... + 4844.

It is an arithmetic number, because the mean of its divisors is an integer number (406980).

Almost surely, 2^5420909 is an apocalyptic number.

It is an amenable number.

5420909 is a deficient number, since it is larger than the sum of its proper divisors (1090771).

5420909 is a wasteful number, since it uses less digits than its factorization.

5420909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 5420909 is about 2328.2845616462. The cubic root of 5420909 is about 175.6672107605.

The spelling of 5420909 in words is "five million, four hundred twenty thousand, nine hundred nine".