2043387 has 14 divisors (see below), whose sum is σ = 3064772. Its totient is φ = 1361772.

The previous prime is 2043341. The next prime is 2043397. The reversal of 2043387 is 7833402.

It is not a de Polignac number, because 2043387 - 2⁶ = 2043323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

2043387 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043387.

It is not an unprimeable number, because it can be changed into a prime (2043337) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 673 + ... + 2130.

2^2043387 is an apocalyptic number.

2043387 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2043387 is a deficient number, since it is larger than the sum of its proper divisors (1021385).

2043387 is an frugal number, since it uses more digits than its factorization.

2043387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2043387 is about 1429.4708811305. The cubic root of 2043387 is about 126.8966650700.

Adding to 2043387 its reverse (7833402), we get a palindrome (9876789).

The spelling of 2043387 in words is "two million, forty-three thousand, three hundred eighty-seven".