4931491 has 4 divisors (see below), whose sum is σ = 5024592. Its totient is φ = 4838392.

The previous prime is 4931489. The next prime is 4931497. The reversal of 4931491 is 1941394.

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

It is a cyclic number.

It is not a de Polignac number, because 4931491 - 2¹ = 4931489 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4931497) 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, 46471 + ... + 46576.

It is an arithmetic number, because the mean of its divisors is an integer number (1256148).

Almost surely, 2^4931491 is an apocalyptic number.

4931491 is a deficient number, since it is larger than the sum of its proper divisors (93101).

4931491 is an equidigital number, since it uses as much as digits as its factorization.

4931491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93100.

The product of its digits is 3888, while the sum is 31.

The square root of 4931491 is about 2220.6960620490. The cubic root of 4931491 is about 170.2130086536.

The spelling of 4931491 in words is "four million, nine hundred thirty-one thousand, four hundred ninety-one".