2669487 has 4 divisors (see below), whose sum is σ = 3559320. Its totient is φ = 1779656.

The previous prime is 2669477. The next prime is 2669497. The reversal of 2669487 is 7849662.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2669477) and next prime (2669497).

It is a cyclic number.

It is not a de Polignac number, because 2669487 - 2⁶ = 2669423 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444912 + ... + 444917.

It is an arithmetic number, because the mean of its divisors is an integer number (889830).

2^2669487 is an apocalyptic number.

2669487 is a deficient number, since it is larger than the sum of its proper divisors (889833).

2669487 is an equidigital number, since it uses as much as digits as its factorization.

2669487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889832.

The product of its digits is 145152, while the sum is 42.

The square root of 2669487 is about 1633.8564808452. The cubic root of 2669487 is about 138.7211253931.

The spelling of 2669487 in words is "two million, six hundred sixty-nine thousand, four hundred eighty-seven".