340410401 has 2 divisors, whose sum is σ = 340410402. Its totient is φ = 340410400.

The previous prime is 340410377. The next prime is 340410463. The reversal of 340410401 is 104014043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321269776 + 19140625 = 17924^2 + 4375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340410401 is a prime.

It is a super-2 number, since 2×340410401² = 231758482217961602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340410401.

It is not a weakly prime, because it can be changed into another prime (340410481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170205200 + 170205201.

It is an arithmetic number, because the mean of its divisors is an integer number (170205201).

Almost surely, 2^340410401 is an apocalyptic number.

It is an amenable number.

340410401 is a deficient number, since it is larger than the sum of its proper divisors (1).

340410401 is an equidigital number, since it uses as much as digits as its factorization.

340410401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 340410401 is about 18450.2141179987. The cubic root of 340410401 is about 698.2339159849.

Adding to 340410401 its reverse (104014043), we get a palindrome (444424444).

The spelling of 340410401 in words is "three hundred forty million, four hundred ten thousand, four hundred one".