340446401 has 4 divisors (see below), whose sum is σ = 346869972. Its totient is φ = 334022832.

The previous prime is 340446383. The next prime is 340446439. The reversal of 340446401 is 104644043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222159025 + 118287376 = 14905^2 + 10876^2 .

It is a cyclic number.

It is not a de Polignac number, because 340446401 - 2¹⁴ = 340430017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340446451) 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, 3211706 + ... + 3211811.

It is an arithmetic number, because the mean of its divisors is an integer number (86717493).

Almost surely, 2^340446401 is an apocalyptic number.

It is an amenable number.

340446401 is a deficient number, since it is larger than the sum of its proper divisors (6423571).

340446401 is an equidigital number, since it uses as much as digits as its factorization.

340446401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6423570.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 340446401 is about 18451.1896906405. The cubic root of 340446401 is about 698.2585289568.

The spelling of 340446401 in words is "three hundred forty million, four hundred forty-six thousand, four hundred one".