350400401 has 4 divisors (see below), whose sum is σ = 377354292. Its totient is φ = 323446512.

The previous prime is 350400389. The next prime is 350400433. The reversal of 350400401 is 104004053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104004053 = 79 ⋅1316507.

It can be written as a sum of positive squares in 2 ways, for example, as 237190801 + 113209600 = 15401^2 + 10640^2 .

It is a cyclic number.

It is not a de Polignac number, because 350400401 - 2²⁶ = 283291537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 350400401.

It is not an unprimeable number, because it can be changed into a prime (350406401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13476926 + ... + 13476951.

It is an arithmetic number, because the mean of its divisors is an integer number (94338573).

Almost surely, 2^350400401 is an apocalyptic number.

It is an amenable number.

350400401 is a deficient number, since it is larger than the sum of its proper divisors (26953891).

350400401 is a wasteful number, since it uses less digits than its factorization.

350400401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26953890.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 350400401 is about 18718.9850419300. The cubic root of 350400401 is about 704.9985084555.

Adding to 350400401 its reverse (104004053), we get a palindrome (454404454).

The spelling of 350400401 in words is "three hundred fifty million, four hundred thousand, four hundred one".