400333099 has 2 divisors, whose sum is σ = 400333100. Its totient is φ = 400333098.

The previous prime is 400333069. The next prime is 400333103. The reversal of 400333099 is 990333004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400333099 - 2⁷ = 400332971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400333099.

It is not a weakly prime, because it can be changed into another prime (400333049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200166549 + 200166550.

It is an arithmetic number, because the mean of its divisors is an integer number (200166550).

Almost surely, 2^400333099 is an apocalyptic number.

400333099 is a deficient number, since it is larger than the sum of its proper divisors (1).

400333099 is an equidigital number, since it uses as much as digits as its factorization.

400333099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 400333099 is about 20008.3257420505. The cubic root of 400333099 is about 737.0107675166.

The spelling of 400333099 in words is "four hundred million, three hundred thirty-three thousand, ninety-nine".