400147703 has 2 divisors, whose sum is σ = 400147704. Its totient is φ = 400147702.

The previous prime is 400147697. The next prime is 400147729. The reversal of 400147703 is 307741004.

It is an a-pointer prime, because the next prime (400147729) can be obtained adding 400147703 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400147703 - 2¹² = 400143607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400149703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200073851 + 200073852.

It is an arithmetic number, because the mean of its divisors is an integer number (200073852).

Almost surely, 2^400147703 is an apocalyptic number.

400147703 is a deficient number, since it is larger than the sum of its proper divisors (1).

400147703 is an equidigital number, since it uses as much as digits as its factorization.

400147703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 400147703 is about 20003.6922341852. The cubic root of 400147703 is about 736.8969789851.

Adding to 400147703 its reverse (307741004), we get a palindrome (707888707).

The spelling of 400147703 in words is "four hundred million, one hundred forty-seven thousand, seven hundred three".