5421784 has 16 divisors (see below), whose sum is σ = 10402920. Its totient is φ = 2647680.

The previous prime is 5421763. The next prime is 5421803. The reversal of 5421784 is 4871245.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7537 + ... + 8224.

Almost surely, 2^5421784 is an apocalyptic number.

It is an amenable number.

5421784 is a deficient number, since it is larger than the sum of its proper divisors (4981136).

5421784 is a wasteful number, since it uses less digits than its factorization.

5421784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15810 (or 15806 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 5421784 is about 2328.4724606488. The cubic root of 5421784 is about 175.6766618532.

The spelling of 5421784 in words is "five million, four hundred twenty-one thousand, seven hundred eighty-four".