2687493 has 8 divisors (see below), whose sum is σ = 3772000. Its totient is φ = 1697328.

The previous prime is 2687491. The next prime is 2687497. The reversal of 2687493 is 3947862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2687493 - 2¹ = 2687491 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6³ + 8⁷ + 7² + 4⁸ + 9 + 3⁵ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23518 + ... + 23631.

It is an arithmetic number, because the mean of its divisors is an integer number (471500).

2^2687493 is an apocalyptic number.

It is an amenable number.

2687493 is a deficient number, since it is larger than the sum of its proper divisors (1084507).

2687493 is a wasteful number, since it uses less digits than its factorization.

2687493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47171.

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

The square root of 2687493 is about 1639.3574960941. The cubic root of 2687493 is about 139.0323234526.

The spelling of 2687493 in words is "two million, six hundred eighty-seven thousand, four hundred ninety-three".