7934491 has 2 divisors, whose sum is σ = 7934492. Its totient is φ = 7934490.

The previous prime is 7934483. The next prime is 7934501. The reversal of 7934491 is 1944397.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7934491 - 2³ = 7934483 is a prime.

It is a super-2 number, since 2×7934491² = 125912294858162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7934491.

It is not a weakly prime, because it can be changed into another prime (7934441) 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 as a sum of consecutive naturals, namely, 3967245 + 3967246.

It is an arithmetic number, because the mean of its divisors is an integer number (3967246).

Almost surely, 2^7934491 is an apocalyptic number.

7934491 is a deficient number, since it is larger than the sum of its proper divisors (1).

7934491 is an equidigital number, since it uses as much as digits as its factorization.

7934491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 7934491 is about 2816.8228556301. The cubic root of 7934491 is about 199.4525947712.

The spelling of 7934491 in words is "seven million, nine hundred thirty-four thousand, four hundred ninety-one".