2293403 has 4 divisors (see below), whose sum is σ = 2621040. Its totient is φ = 1965768.

The previous prime is 2293397. The next prime is 2293427. The reversal of 2293403 is 3043922.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2293403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2293463) 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, 163808 + ... + 163821.

It is an arithmetic number, because the mean of its divisors is an integer number (655260).

2^2293403 is an apocalyptic number.

2293403 is a deficient number, since it is larger than the sum of its proper divisors (327637).

2293403 is an equidigital number, since it uses as much as digits as its factorization.

2293403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327636.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2293403 is about 1514.3985604853. The cubic root of 2293403 is about 131.8742872613.

The spelling of 2293403 in words is "two million, two hundred ninety-three thousand, four hundred three".