2287403 has 4 divisors (see below), whose sum is σ = 2290680. Its totient is φ = 2284128.

The previous prime is 2287393. The next prime is 2287409. The reversal of 2287403 is 3047822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2287403 - 2⁴ = 2287387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2287409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (572670).

2^2287403 is an apocalyptic number.

2287403 is a deficient number, since it is larger than the sum of its proper divisors (3277).

2287403 is a wasteful number, since it uses less digits than its factorization.

2287403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2287403 is about 1512.4162786746. The cubic root of 2287403 is about 131.7591836726.

The spelling of 2287403 in words is "two million, two hundred eighty-seven thousand, four hundred three".