416486381 has 2 divisors, whose sum is σ = 416486382. Its totient is φ = 416486380.

The previous prime is 416486363. The next prime is 416486401. The reversal of 416486381 is 183684614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239197156 + 177289225 = 15466^2 + 13315^2 .

It is a cyclic number.

It is not a de Polignac number, because 416486381 - 2²⁶ = 349377517 is a prime.

It is a super-2 number, since 2×416486381² = 346921811116954322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (416486321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208243190 + 208243191.

It is an arithmetic number, because the mean of its divisors is an integer number (208243191).

Almost surely, 2^416486381 is an apocalyptic number.

It is an amenable number.

416486381 is a deficient number, since it is larger than the sum of its proper divisors (1).

416486381 is an equidigital number, since it uses as much as digits as its factorization.

416486381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 41.

The square root of 416486381 is about 20407.9979664836. The cubic root of 416486381 is about 746.7930511465.

The spelling of 416486381 in words is "four hundred sixteen million, four hundred eighty-six thousand, three hundred eighty-one".