4891157 has 8 divisors (see below), whose sum is σ = 5153280. Its totient is φ = 4633200.

The previous prime is 4891153. The next prime is 4891171. The reversal of 4891157 is 7511984.

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 4891157 - 2² = 4891153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891153) 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, 1532 + ... + 3482.

It is an arithmetic number, because the mean of its divisors is an integer number (644160).

Almost surely, 2^4891157 is an apocalyptic number.

It is an amenable number.

4891157 is a deficient number, since it is larger than the sum of its proper divisors (262123).

4891157 is a wasteful number, since it uses less digits than its factorization.

4891157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its digits is 10080, while the sum is 35.

The square root of 4891157 is about 2211.5960300199. The cubic root of 4891157 is about 169.7476879905.

The spelling of 4891157 in words is "four million, eight hundred ninety-one thousand, one hundred fifty-seven".