2401803 has 6 divisors (see below), whose sum is σ = 3469284. Its totient is φ = 1601196.

The previous prime is 2401741. The next prime is 2401807. The reversal of 2401803 is 3081042.

It is a happy number.

It is not a de Polignac number, because 2401803 - 2⁸ = 2401547 is a prime.

2401803 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2401807) 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, 133425 + ... + 133442.

It is an arithmetic number, because the mean of its divisors is an integer number (578214).

2^2401803 is an apocalyptic number.

2401803 is a deficient number, since it is larger than the sum of its proper divisors (1067481).

2401803 is a wasteful number, since it uses less digits than its factorization.

2401803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266873 (or 266870 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2401803 is about 1549.7751449807. The cubic root of 2401803 is about 133.9201090577.

Adding to 2401803 its reverse (3081042), we get a palindrome (5482845).

The spelling of 2401803 in words is "two million, four hundred one thousand, eight hundred three".