490943087 has 2 divisors, whose sum is σ = 490943088. Its totient is φ = 490943086.

The previous prime is 490943069. The next prime is 490943099. The reversal of 490943087 is 780349094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490943087 - 2⁸ = 490942831 is a prime.

It is a super-2 number, since 2×490943087² = 482050229346179138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490945087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245471543 + 245471544.

It is an arithmetic number, because the mean of its divisors is an integer number (245471544).

Almost surely, 2^490943087 is an apocalyptic number.

490943087 is a deficient number, since it is larger than the sum of its proper divisors (1).

490943087 is an equidigital number, since it uses as much as digits as its factorization.

490943087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 490943087 is about 22157.2355450765. The cubic root of 490943087 is about 788.8789777554.

The spelling of 490943087 in words is "four hundred ninety million, nine hundred forty-three thousand, eighty-seven".