400093741 has 2 divisors, whose sum is σ = 400093742. Its totient is φ = 400093740.

The previous prime is 400093723. The next prime is 400093777. The reversal of 400093741 is 147390004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354531241 + 45562500 = 18829^2 + 6750^2 .

It is a cyclic number.

It is not a de Polignac number, because 400093741 - 2⁷ = 400093613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400093711) 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, 200046870 + 200046871.

It is an arithmetic number, because the mean of its divisors is an integer number (200046871).

Almost surely, 2^400093741 is an apocalyptic number.

It is an amenable number.

400093741 is a deficient number, since it is larger than the sum of its proper divisors (1).

400093741 is an equidigital number, since it uses as much as digits as its factorization.

400093741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 400093741 is about 20002.3433877134. The cubic root of 400093741 is about 736.8638526985.

The spelling of 400093741 in words is "four hundred million, ninety-three thousand, seven hundred forty-one".