2669421 has 16 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 1686720.

The previous prime is 2669419. The next prime is 2669423. The reversal of 2669421 is 1249662.

It is an interprime number because it is at equal distance from previous prime (2669419) and next prime (2669423).

It is not a de Polignac number, because 2669421 - 2¹ = 2669419 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5056 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (234360).

2^2669421 is an apocalyptic number.

It is an amenable number.

2669421 is a deficient number, since it is larger than the sum of its proper divisors (1080339).

2669421 is a wasteful number, since it uses less digits than its factorization.

2669421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its digits is 5184, while the sum is 30.

The square root of 2669421 is about 1633.8362831079. The cubic root of 2669421 is about 138.7199821435.

The spelling of 2669421 in words is "two million, six hundred sixty-nine thousand, four hundred twenty-one".