1400803 has 2 divisors, whose sum is σ = 1400804. Its totient is φ = 1400802.

The previous prime is 1400801. The next prime is 1400807. The reversal of 1400803 is 3080041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1400803 - 2¹ = 1400801 is a prime.

Together with 1400801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1400801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700401 + 700402.

It is an arithmetic number, because the mean of its divisors is an integer number (700402).

2^1400803 is an apocalyptic number.

1400803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400803 is an equidigital number, since it uses as much as digits as its factorization.

1400803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1400803 is about 1183.5552374097. Note that the first 3 decimals coincide. The cubic root of 1400803 is about 111.8902783874.

Adding to 1400803 its reverse (3080041), we get a palindrome (4480844).

The spelling of 1400803 in words is "one million, four hundred thousand, eight hundred three".