4891154 has 4 divisors (see below), whose sum is σ = 7336734. Its totient is φ = 2445576.

The previous prime is 4891153. The next prime is 4891171. The reversal of 4891154 is 4511984.

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

It can be written as a sum of positive squares in only one way, i.e., 4558225 + 332929 = 2135^2 + 577^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4891154.

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, 1222787 + ... + 1222790.

Almost surely, 2^4891154 is an apocalyptic number.

4891154 is a deficient number, since it is larger than the sum of its proper divisors (2445580).

4891154 is a wasteful number, since it uses less digits than its factorization.

4891154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445579.

The product of its digits is 5760, while the sum is 32.

The square root of 4891154 is about 2211.5953517766. The cubic root of 4891154 is about 169.7476532854.

The spelling of 4891154 in words is "four million, eight hundred ninety-one thousand, one hundred fifty-four".