394602401 has 2 divisors, whose sum is σ = 394602402. Its totient is φ = 394602400.

The previous prime is 394602361. The next prime is 394602413. The reversal of 394602401 is 104206493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385140625 + 9461776 = 19625^2 + 3076^2 .

It is a cyclic number.

It is not a de Polignac number, because 394602401 - 2⁶ = 394602337 is a prime.

It is a super-2 number, since 2×394602401² = 311422109749929602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (394682401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197301200 + 197301201.

It is an arithmetic number, because the mean of its divisors is an integer number (197301201).

Almost surely, 2^394602401 is an apocalyptic number.

It is an amenable number.

394602401 is a deficient number, since it is larger than the sum of its proper divisors (1).

394602401 is an equidigital number, since it uses as much as digits as its factorization.

394602401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 394602401 is about 19864.6017075601. The cubic root of 394602401 is about 733.4771257748.

Adding to 394602401 its reverse (104206493), we get a palindrome (498808894).

The spelling of 394602401 in words is "three hundred ninety-four million, six hundred two thousand, four hundred one".