2928491 has 2 divisors, whose sum is σ = 2928492. Its totient is φ = 2928490.

The previous prime is 2928481. The next prime is 2928509. The reversal of 2928491 is 1948292.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2928491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2928421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464245 + 1464246.

It is an arithmetic number, because the mean of its divisors is an integer number (1464246).

2^2928491 is an apocalyptic number.

2928491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928491 is an equidigital number, since it uses as much as digits as its factorization.

2928491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 2928491 is about 1711.2834364885. The cubic root of 2928491 is about 143.0697981916.

The spelling of 2928491 in words is "two million, nine hundred twenty-eight thousand, four hundred ninety-one".