5491904 has 56 divisors (see below), whose sum is σ = 12344400. Its totient is φ = 2401280.

The previous prime is 5491883. The next prime is 5491907. The reversal of 5491904 is 4091945.

It is a super-2 number, since 2×5491904² = 60322019090432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) 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 (32).

It is not an unprimeable number, because it can be changed into a prime (5491907) 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, 20282 + ... + 20550.

Almost surely, 2^5491904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5491904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6172200).

5491904 is an abundant number, since it is smaller than the sum of its proper divisors (6852496).

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

5491904 is a wasteful number, since it uses less digits than its factorization.

5491904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5491904 is about 2343.4811712493. The cubic root of 5491904 is about 176.4307630218.

The spelling of 5491904 in words is "five million, four hundred ninety-one thousand, nine hundred four".