4104991 has 4 divisors (see below), whose sum is σ = 4478184. Its totient is φ = 3731800.

The previous prime is 4104977. The next prime is 4105001. The reversal of 4104991 is 1994014.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4104991 - 2¹⁵ = 4072223 is a prime.

It is a super-2 number, since 2×4104991² = 33701902220162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4104091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186580 + ... + 186601.

It is an arithmetic number, because the mean of its divisors is an integer number (1119546).

Almost surely, 2^4104991 is an apocalyptic number.

4104991 is a deficient number, since it is larger than the sum of its proper divisors (373193).

4104991 is a wasteful number, since it uses less digits than its factorization.

4104991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373192.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 4104991 is about 2026.0777378965. The cubic root of 4104991 is about 160.1169847577.

The spelling of 4104991 in words is "four million, one hundred four thousand, nine hundred ninety-one".