2081469 has 24 divisors (see below), whose sum is σ = 3206560. Its totient is φ = 1190592.

The previous prime is 2081467. The next prime is 2081473. The reversal of 2081469 is 9641802.

It is not a de Polignac number, because 2081469 - 2¹ = 2081467 is a prime.

It is a super-2 number, since 2×2081469² = 8665026395922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39247 + ... + 39299.

2^2081469 is an apocalyptic number.

It is an amenable number.

2081469 is a deficient number, since it is larger than the sum of its proper divisors (1125091).

2081469 is a wasteful number, since it uses less digits than its factorization.

2081469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2081469 is about 1442.7297044145. The cubic root of 2081469 is about 127.6801298632.

The spelling of 2081469 in words is "two million, eighty-one thousand, four hundred sixty-nine".