5781924 has 36 divisors (see below), whose sum is σ = 15253056. Its totient is φ = 1843248.

The previous prime is 5781911. The next prime is 5781961. The reversal of 5781924 is 4291875.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2664 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (423696).

Almost surely, 2^5781924 is an apocalyptic number.

It is an amenable number.

5781924 is an abundant number, since it is smaller than the sum of its proper divisors (9471132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5781924 is a wasteful number, since it uses less digits than its factorization.

5781924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016 (or 7011 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 5781924 is about 2404.5631619901. The cubic root of 5781924 is about 179.4833332084.

The spelling of 5781924 in words is "five million, seven hundred eighty-one thousand, nine hundred twenty-four".