382190401 has 2 divisors, whose sum is σ = 382190402. Its totient is φ = 382190400.

The previous prime is 382190383. The next prime is 382190503. The reversal of 382190401 is 104091283.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248094001 + 134096400 = 15751^2 + 11580^2 .

It is an emirp because it is prime and its reverse (104091283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 382190401 - 2⁹ = 382189889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 382190401.

It is not a weakly prime, because it can be changed into another prime (382190201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191095200 + 191095201.

It is an arithmetic number, because the mean of its divisors is an integer number (191095201).

Almost surely, 2^382190401 is an apocalyptic number.

It is an amenable number.

382190401 is a deficient number, since it is larger than the sum of its proper divisors (1).

382190401 is an equidigital number, since it uses as much as digits as its factorization.

382190401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 382190401 is about 19549.6905602109. The cubic root of 382190401 is about 725.7046821057.

The spelling of 382190401 in words is "three hundred eighty-two million, one hundred ninety thousand, four hundred one".