2491367 has 8 divisors (see below), whose sum is σ = 2665872. Its totient is φ = 2320000.

The previous prime is 2491351. The next prime is 2491369. The reversal of 2491367 is 7631942.

2491367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2491367 - 2⁴ = 2491351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992 + ... + 2442.

It is an arithmetic number, because the mean of its divisors is an integer number (333234).

2^2491367 is an apocalyptic number.

2491367 is a deficient number, since it is larger than the sum of its proper divisors (174505).

2491367 is a wasteful number, since it uses less digits than its factorization.

2491367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569.

The product of its digits is 9072, while the sum is 32.

The square root of 2491367 is about 1578.4064748980. The cubic root of 2491367 is about 135.5644768781.

The spelling of 2491367 in words is "two million, four hundred ninety-one thousand, three hundred sixty-seven".