2400303 has 16 divisors (see below), whose sum is σ = 3421440. Its totient is φ = 1493184.

The previous prime is 2400283. The next prime is 2400311. The reversal of 2400303 is 3030042.

It is not a de Polignac number, because 2400303 - 2⁵ = 2400271 is a prime.

It is a super-2 number, since 2×2400303² = 11522908983618, which contains 22 as substring.

2400303 is a modest number, since divided by 303 gives 240 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2563 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

2^2400303 is an apocalyptic number.

2400303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2400303 is a deficient number, since it is larger than the sum of its proper divisors (1021137).

2400303 is a wasteful number, since it uses less digits than its factorization.

2400303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 2400303 is about 1549.2911282261. The cubic root of 2400303 is about 133.8922241733.

Adding to 2400303 its reverse (3030042), we get a palindrome (5430345).

The spelling of 2400303 in words is "two million, four hundred thousand, three hundred three".