404000147 has 2 divisors, whose sum is σ = 404000148. Its totient is φ = 404000146.

The previous prime is 404000137. The next prime is 404000159. The reversal of 404000147 is 741000404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404000147 - 2¹⁶ = 403934611 is a prime.

It is a super-3 number, since 3×404000147³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (404000137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202000073 + 202000074.

It is an arithmetic number, because the mean of its divisors is an integer number (202000074).

Almost surely, 2^404000147 is an apocalyptic number.

404000147 is a deficient number, since it is larger than the sum of its proper divisors (1).

404000147 is an equidigital number, since it uses as much as digits as its factorization.

404000147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 404000147 is about 20099.7548990031. The cubic root of 404000147 is about 739.2542688334.

The spelling of 404000147 in words is "four hundred four million, one hundred forty-seven", and thus it is an aban number.