401616079 has 2 divisors, whose sum is σ = 401616080. Its totient is φ = 401616078.

The previous prime is 401615999. The next prime is 401616101. The reversal of 401616079 is 970616104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401616079 - 2⁹ = 401615567 is a prime.

It is a super-2 number, since 2×401616079² = 322590949822668482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401611079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200808039 + 200808040.

It is an arithmetic number, because the mean of its divisors is an integer number (200808040).

Almost surely, 2^401616079 is an apocalyptic number.

401616079 is a deficient number, since it is larger than the sum of its proper divisors (1).

401616079 is an equidigital number, since it uses as much as digits as its factorization.

401616079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 401616079 is about 20040.3612492390. The cubic root of 401616079 is about 737.7972473725.

The spelling of 401616079 in words is "four hundred one million, six hundred sixteen thousand, seventy-nine".