4055491 has 8 divisors (see below), whose sum is σ = 4460544. Its totient is φ = 3656520.

The previous prime is 4055477. The next prime is 4055497. The reversal of 4055491 is 1945504.

4055491 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4055491 - 2¹¹ = 4053443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4055497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (557568).

Almost surely, 2^4055491 is an apocalyptic number.

4055491 is a deficient number, since it is larger than the sum of its proper divisors (405053).

4055491 is a wasteful number, since it uses less digits than its factorization.

4055491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4055491 is about 2013.8249675679. The cubic root of 4055491 is about 159.4707906012.

The spelling of 4055491 in words is "four million, fifty-five thousand, four hundred ninety-one".