416556379 has 2 divisors, whose sum is σ = 416556380. Its totient is φ = 416556378.

The previous prime is 416556359. The next prime is 416556383. The reversal of 416556379 is 973655614.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-416556379 is a prime.

It is a super-3 number, since 3×416556379³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (416556359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208278189 + 208278190.

It is an arithmetic number, because the mean of its divisors is an integer number (208278190).

Almost surely, 2^416556379 is an apocalyptic number.

416556379 is a deficient number, since it is larger than the sum of its proper divisors (1).

416556379 is an equidigital number, since it uses as much as digits as its factorization.

416556379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 416556379 is about 20409.7128593226. The cubic root of 416556379 is about 746.8348861213.

The spelling of 416556379 in words is "four hundred sixteen million, five hundred fifty-six thousand, three hundred seventy-nine".