4136491 has 8 divisors (see below), whose sum is σ = 4463424. Its totient is φ = 3818880.

The previous prime is 4136477. The next prime is 4136497. The reversal of 4136491 is 1946314.

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

It is not a de Polignac number, because 4136491 - 2⁵ = 4136459 is a prime.

It is a super-3 number, since 3×4136491³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a Duffinian number.

4136491 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4136497) 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, 1395 + ... + 3196.

It is an arithmetic number, because the mean of its divisors is an integer number (557928).

Almost surely, 2^4136491 is an apocalyptic number.

4136491 is a deficient number, since it is larger than the sum of its proper divisors (326933).

4136491 is a wasteful number, since it uses less digits than its factorization.

4136491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661.

The product of its digits is 2592, while the sum is 28.

The square root of 4136491 is about 2033.8365224373. The cubic root of 4136491 is about 160.5254987422.

The spelling of 4136491 in words is "four million, one hundred thirty-six thousand, four hundred ninety-one".