4158891 has 48 divisors (see below), whose sum is σ = 7235200. Its totient is φ = 2352240.

The previous prime is 4158887. The next prime is 4158893. The reversal of 4158891 is 1988514.

It is not a de Polignac number, because 4158891 - 2² = 4158887 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (4158893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62040 + ... + 62106.

Almost surely, 2^4158891 is an apocalyptic number.

4158891 is a deficient number, since it is larger than the sum of its proper divisors (3076309).

4158891 is a wasteful number, since it uses less digits than its factorization.

4158891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 100 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 4158891 is about 2039.3359213234. The cubic root of 4158891 is about 160.8147374552.

The spelling of 4158891 in words is "four million, one hundred fifty-eight thousand, eight hundred ninety-one".