401708383 has 2 divisors, whose sum is σ = 401708384. Its totient is φ = 401708382.

The previous prime is 401708357. The next prime is 401708387. The reversal of 401708383 is 383807104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401708383 - 2¹⁷ = 401577311 is a prime.

It is a super-3 number, since 3×401708383³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401708387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200854191 + 200854192.

It is an arithmetic number, because the mean of its divisors is an integer number (200854192).

Almost surely, 2^401708383 is an apocalyptic number.

401708383 is a deficient number, since it is larger than the sum of its proper divisors (1).

401708383 is an equidigital number, since it uses as much as digits as its factorization.

401708383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 401708383 is about 20042.6640694295. The cubic root of 401708383 is about 737.8537660430.

The spelling of 401708383 in words is "four hundred one million, seven hundred eight thousand, three hundred eighty-three".