486040391 has 2 divisors, whose sum is σ = 486040392. Its totient is φ = 486040390.

The previous prime is 486040367. The next prime is 486040403. The reversal of 486040391 is 193040684.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 486040391 - 2²² = 481846087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486042391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243020195 + 243020196.

It is an arithmetic number, because the mean of its divisors is an integer number (243020196).

Almost surely, 2^486040391 is an apocalyptic number.

486040391 is a deficient number, since it is larger than the sum of its proper divisors (1).

486040391 is an equidigital number, since it uses as much as digits as its factorization.

486040391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 486040391 is about 22046.3237524990. The cubic root of 486040391 is about 786.2441983930.

The spelling of 486040391 in words is "four hundred eighty-six million, forty thousand, three hundred ninety-one".