5421418 has 16 divisors (see below), whose sum is σ = 8375616. Its totient is φ = 2630880.

The previous prime is 5421413. The next prime is 5421421. The reversal of 5421418 is 8141245.

It is a junction number, because it is equal to n+sod(n) for n = 5421392 and 5421401.

It is not an unprimeable number, because it can be changed into a prime (5421413) 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, 10105 + ... + 10627.

It is an arithmetic number, because the mean of its divisors is an integer number (523476).

Almost surely, 2^5421418 is an apocalyptic number.

5421418 is a deficient number, since it is larger than the sum of its proper divisors (2954198).

5421418 is a wasteful number, since it uses less digits than its factorization.

5421418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its digits is 1280, while the sum is 25.

The square root of 5421418 is about 2328.3938670251. The cubic root of 5421418 is about 175.6727087199.

The spelling of 5421418 in words is "five million, four hundred twenty-one thousand, four hundred eighteen".