5621404 has 6 divisors (see below), whose sum is σ = 9837464. Its totient is φ = 2810700.

The previous prime is 5621383. The next prime is 5621417. The reversal of 5621404 is 4041265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702672 + ... + 702679.

Almost surely, 2^5621404 is an apocalyptic number.

It is an amenable number.

5621404 is a deficient number, since it is larger than the sum of its proper divisors (4216060).

5621404 is a wasteful number, since it uses less digits than its factorization.

5621404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405355 (or 1405353 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5621404 is about 2370.9500205614. The cubic root of 5621404 is about 177.8067591062.

Adding to 5621404 its reverse (4041265), we get a palindrome (9662669).

The spelling of 5621404 in words is "five million, six hundred twenty-one thousand, four hundred four".