401879183 has 2 divisors, whose sum is σ = 401879184. Its totient is φ = 401879182.

The previous prime is 401879143. The next prime is 401879197. The reversal of 401879183 is 381978104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401879183 - 2⁶ = 401879119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401879183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401879113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200939591 + 200939592.

It is an arithmetic number, because the mean of its divisors is an integer number (200939592).

Almost surely, 2^401879183 is an apocalyptic number.

401879183 is a deficient number, since it is larger than the sum of its proper divisors (1).

401879183 is an equidigital number, since it uses as much as digits as its factorization.

401879183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 401879183 is about 20046.9245272186. The cubic root of 401879183 is about 737.9583257779.

The spelling of 401879183 in words is "four hundred one million, eight hundred seventy-nine thousand, one hundred eighty-three".