2087469 has 12 divisors (see below), whose sum is σ = 3039036. Its totient is φ = 1380672.

The previous prime is 2087467. The next prime is 2087483. The reversal of 2087469 is 9647802.

It can be written as a sum of positive squares in 2 ways, for example, as 1010025 + 1077444 = 1005^2 + 1038^2 .

It is not a de Polignac number, because 2087469 - 2¹ = 2087467 is a prime.

It is a super-2 number, since 2×2087469² = 8715053651922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (253253).

2^2087469 is an apocalyptic number.

It is an amenable number.

2087469 is a deficient number, since it is larger than the sum of its proper divisors (951567).

2087469 is a wasteful number, since it uses less digits than its factorization.

2087469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2087469 is about 1444.8075996478. The cubic root of 2087469 is about 127.8026948817.

It can be divided in two parts, 2087 and 469, that added together give a triangular number (2556 = T₇₁).

The spelling of 2087469 in words is "two million, eighty-seven thousand, four hundred sixty-nine".