400060693 has 2 divisors, whose sum is σ = 400060694. Its totient is φ = 400060692.

The previous prime is 400060667. The next prime is 400060699. The reversal of 400060693 is 396060004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375080689 + 24980004 = 19367^2 + 4998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400060693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400060699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200030346 + 200030347.

It is an arithmetic number, because the mean of its divisors is an integer number (200030347).

Almost surely, 2^400060693 is an apocalyptic number.

It is an amenable number.

400060693 is a deficient number, since it is larger than the sum of its proper divisors (1).

400060693 is an equidigital number, since it uses as much as digits as its factorization.

400060693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 400060693 is about 20001.5172674475. The cubic root of 400060693 is about 736.8435636640.

The spelling of 400060693 in words is "four hundred million, sixty thousand, six hundred ninety-three".