401106647 has 2 divisors, whose sum is σ = 401106648. Its totient is φ = 401106646.

The previous prime is 401106631. The next prime is 401106661. The reversal of 401106647 is 746601104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401106647 - 2⁴ = 401106631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401105647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200553323 + 200553324.

It is an arithmetic number, because the mean of its divisors is an integer number (200553324).

Almost surely, 2^401106647 is an apocalyptic number.

401106647 is a deficient number, since it is larger than the sum of its proper divisors (1).

401106647 is an equidigital number, since it uses as much as digits as its factorization.

401106647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 401106647 is about 20027.6470659935. The cubic root of 401106647 is about 737.4851611301.

The spelling of 401106647 in words is "four hundred one million, one hundred six thousand, six hundred forty-seven".