1402384897 has 2 divisors, whose sum is σ = 1402384898. Its totient is φ = 1402384896.

The previous prime is 1402384891. The next prime is 1402384901. The reversal of 1402384897 is 7984832041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1375593921 + 26790976 = 37089^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402384897 - 2⁷ = 1402384769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402384891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701192448 + 701192449.

It is an arithmetic number, because the mean of its divisors is an integer number (701192449).

Almost surely, 2^1402384897 is an apocalyptic number.

It is an amenable number.

1402384897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402384897 is an equidigital number, since it uses as much as digits as its factorization.

1402384897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 1402384897 is about 37448.4298335725. The cubic root of 1402384897 is about 1119.3238097910.

The spelling of 1402384897 in words is "one billion, four hundred two million, three hundred eighty-four thousand, eight hundred ninety-seven".