2987693 has 4 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 2830428.

The previous prime is 2987659. The next prime is 2987707. The reversal of 2987693 is 3967892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2987693 - 2⁸ = 2987437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987623) 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 3 ways as a sum of consecutive naturals, for example, 78605 + ... + 78642.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

2^2987693 is an apocalyptic number.

It is an amenable number.

2987693 is a deficient number, since it is larger than the sum of its proper divisors (157267).

2987693 is a wasteful number, since it uses less digits than its factorization.

2987693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157266.

The product of its digits is 163296, while the sum is 44.

The square root of 2987693 is about 1728.4944315791. The cubic root of 2987693 is about 144.0274671113.

The spelling of 2987693 in words is "two million, nine hundred eighty-seven thousand, six hundred ninety-three".