4991627 has 8 divisors (see below), whose sum is σ = 5146512. Its totient is φ = 4838400.

The previous prime is 4991617. The next prime is 4991647. The reversal of 4991627 is 7261994.

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 4991627 - 2⁶ = 4991563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4991617) 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, 8363 + ... + 8939.

It is an arithmetic number, because the mean of its divisors is an integer number (643314).

Almost surely, 2^4991627 is an apocalyptic number.

4991627 is a deficient number, since it is larger than the sum of its proper divisors (154885).

4991627 is a wasteful number, since it uses less digits than its factorization.

4991627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 27216, while the sum is 38.

The square root of 4991627 is about 2234.1949333037. The cubic root of 4991627 is about 170.9020904800.

The spelling of 4991627 in words is "four million, nine hundred ninety-one thousand, six hundred twenty-seven".