5421404 has 12 divisors (see below), whose sum is σ = 9793728. Its totient is φ = 2623200.

The previous prime is 5421371. The next prime is 5421407. The reversal of 5421404 is 4041245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21737 + ... + 21984.

It is an arithmetic number, because the mean of its divisors is an integer number (816144).

Almost surely, 2^5421404 is an apocalyptic number.

It is an amenable number.

5421404 is a deficient number, since it is larger than the sum of its proper divisors (4372324).

5421404 is a wasteful number, since it uses less digits than its factorization.

5421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43756 (or 43754 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 5421404 is about 2328.3908606589. The cubic root of 5421404 is about 175.6725575036.

Adding to 5421404 its reverse (4041245), we get a palindrome (9462649).

The spelling of 5421404 in words is "five million, four hundred twenty-one thousand, four hundred four".