4791157 has 4 divisors (see below), whose sum is σ = 5475616. Its totient is φ = 4106700.

The previous prime is 4791109. The next prime is 4791181. The reversal of 4791157 is 7511974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4791157 - 2¹⁵ = 4758389 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 (4791187) 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, 342219 + ... + 342232.

It is an arithmetic number, because the mean of its divisors is an integer number (1368904).

Almost surely, 2^4791157 is an apocalyptic number.

It is an amenable number.

4791157 is a deficient number, since it is larger than the sum of its proper divisors (684459).

4791157 is an equidigital number, since it uses as much as digits as its factorization.

4791157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684458.

The product of its digits is 8820, while the sum is 34.

The square root of 4791157 is about 2188.8711702611. The cubic root of 4791157 is about 168.5828794495.

It can be divided in two parts, 47 and 91157, that added together give a square (91204 = 302²).

The spelling of 4791157 in words is "four million, seven hundred ninety-one thousand, one hundred fifty-seven".