2669987 has 2 divisors, whose sum is σ = 2669988. Its totient is φ = 2669986.

The previous prime is 2669977. The next prime is 2670011. The reversal of 2669987 is 7899662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2669987 - 2¹² = 2665891 is a prime.

It is not a weakly prime, because it can be changed into another prime (2669977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334993 + 1334994.

It is an arithmetic number, because the mean of its divisors is an integer number (1334994).

2^2669987 is an apocalyptic number.

2669987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2669987 is an equidigital number, since it uses as much as digits as its factorization.

2669987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 2669987 is about 1634.0094858966. The cubic root of 2669987 is about 138.7297857628.

The spelling of 2669987 in words is "two million, six hundred sixty-nine thousand, nine hundred eighty-seven".