401885089 has 2 divisors, whose sum is σ = 401885090. Its totient is φ = 401885088.

The previous prime is 401885059. The next prime is 401885111. The reversal of 401885089 is 980588104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385140625 + 16744464 = 19625^2 + 4092^2 .

It is a cyclic number.

It is not a de Polignac number, because 401885089 - 2¹³ = 401876897 is a prime.

It is not a weakly prime, because it can be changed into another prime (401885059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200942544 + 200942545.

It is an arithmetic number, because the mean of its divisors is an integer number (200942545).

Almost surely, 2^401885089 is an apocalyptic number.

It is an amenable number.

401885089 is a deficient number, since it is larger than the sum of its proper divisors (1).

401885089 is an equidigital number, since it uses as much as digits as its factorization.

401885089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 401885089 is about 20047.0718310680. The cubic root of 401885089 is about 737.9619407620.

It can be divided in two parts, 40 and 1885089, that added together give a square (1885129 = 1373²).

The spelling of 401885089 in words is "four hundred one million, eight hundred eighty-five thousand, eighty-nine".