400541927 has 2 divisors, whose sum is σ = 400541928. Its totient is φ = 400541926.

The previous prime is 400541893. The next prime is 400541957. The reversal of 400541927 is 729145004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400541927 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 400541893 and 400541902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400541957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200270963 + 200270964.

It is an arithmetic number, because the mean of its divisors is an integer number (200270964).

Almost surely, 2^400541927 is an apocalyptic number.

400541927 is a deficient number, since it is larger than the sum of its proper divisors (1).

400541927 is an equidigital number, since it uses as much as digits as its factorization.

400541927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 400541927 is about 20013.5435892797. The cubic root of 400541927 is about 737.1388955940.

The spelling of 400541927 in words is "four hundred million, five hundred forty-one thousand, nine hundred twenty-seven".