400883761 has 2 divisors, whose sum is σ = 400883762. Its totient is φ = 400883760.

The previous prime is 400883737. The next prime is 400883801. The reversal of 400883761 is 167388004.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301682161 + 99201600 = 17369^2 + 9960^2 .

It is a cyclic number.

It is not a de Polignac number, because 400883761 - 2¹³ = 400875569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400883761.

It is not a weakly prime, because it can be changed into another prime (400880761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200441880 + 200441881.

It is an arithmetic number, because the mean of its divisors is an integer number (200441881).

Almost surely, 2^400883761 is an apocalyptic number.

It is an amenable number.

400883761 is a deficient number, since it is larger than the sum of its proper divisors (1).

400883761 is an equidigital number, since it uses as much as digits as its factorization.

400883761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 400883761 is about 20022.0818348143. The cubic root of 400883761 is about 737.3485344792.

The spelling of 400883761 in words is "four hundred million, eight hundred eighty-three thousand, seven hundred sixty-one".