2987393 has 6 divisors (see below), whose sum is σ = 3173766. Its totient is φ = 2811392.

The previous prime is 2987371. The next prime is 2987407. The reversal of 2987393 is 3937892.

It can be written as a sum of positive squares in 3 ways, for example, as 452929 + 2534464 = 673^2 + 1592^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2987393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2987393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4880 + ... + 5457.

It is an arithmetic number, because the mean of its divisors is an integer number (528961).

2^2987393 is an apocalyptic number.

It is an amenable number.

2987393 is a deficient number, since it is larger than the sum of its proper divisors (186373).

2987393 is a wasteful number, since it uses less digits than its factorization.

2987393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371 (or 10354 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 2987393 is about 1728.4076486755. The cubic root of 2987393 is about 144.0226462583.

The spelling of 2987393 in words is "two million, nine hundred eighty-seven thousand, three hundred ninety-three".