4891156 has 6 divisors (see below), whose sum is σ = 8559530. Its totient is φ = 2445576.

The previous prime is 4891153. The next prime is 4891171. The reversal of 4891156 is 6511984.

It can be written as a sum of positive squares in only one way, i.e., 4884100 + 7056 = 2210^2 + 84^2 .

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 as a sum of consecutive naturals, namely, 611391 + ... + 611398.

Almost surely, 2^4891156 is an apocalyptic number.

It is an amenable number.

4891156 is a deficient number, since it is larger than the sum of its proper divisors (3668374).

4891156 is a wasteful number, since it uses less digits than its factorization.

4891156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222793 (or 1222791 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 4891156 is about 2211.5958039389. The cubic root of 4891156 is about 169.7476764221.

It can be divided in two parts, 48 and 91156, that added together give a square (91204 = 302²).

The spelling of 4891156 in words is "four million, eight hundred ninety-one thousand, one hundred fifty-six".