18460087 has 2 divisors, whose sum is σ = 18460088. Its totient is φ = 18460086.

The previous prime is 18460081. The next prime is 18460093. The reversal of 18460087 is 78006481.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (18460081) and next prime (18460093).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18460087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18460081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9230043 + 9230044.

It is an arithmetic number, because the mean of its divisors is an integer number (9230044).

Almost surely, 2^18460087 is an apocalyptic number.

18460087 is a deficient number, since it is larger than the sum of its proper divisors (1).

18460087 is an equidigital number, since it uses as much as digits as its factorization.

18460087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 18460087 is about 4296.5203362721. The cubic root of 18460087 is about 264.2882860510.

The spelling of 18460087 in words is "eighteen million, four hundred sixty thousand, eighty-seven".