2687349 has 16 divisors (see below), whose sum is σ = 4153472. Its totient is φ = 1513728.

The previous prime is 2687329. The next prime is 2687353. The reversal of 2687349 is 9437862.

It is not a de Polignac number, because 2687349 - 2⁷ = 2687221 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6³ + 8⁷ + 7² + 3³ + 4⁸ + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (259592).

2^2687349 is an apocalyptic number.

It is an amenable number.

2687349 is a deficient number, since it is larger than the sum of its proper divisors (1466123).

2687349 is a wasteful number, since it uses less digits than its factorization.

2687349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836.

The product of its digits is 72576, while the sum is 39.

The square root of 2687349 is about 1639.3135758603. The cubic root of 2687349 is about 139.0298402198.

The spelling of 2687349 in words is "two million, six hundred eighty-seven thousand, three hundred forty-nine".