340437401 has 8 divisors (see below), whose sum is σ = 347267208. Its totient is φ = 333648000.

The previous prime is 340437389. The next prime is 340437451. The reversal of 340437401 is 104734043.

It can be written as a sum of positive squares in 4 ways, for example, as 8323225 + 332114176 = 2885^2 + 18224^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340437401 - 2⁶ = 340437337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340437451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7211 + ... + 27071.

It is an arithmetic number, because the mean of its divisors is an integer number (43408401).

Almost surely, 2^340437401 is an apocalyptic number.

It is an amenable number.

340437401 is a deficient number, since it is larger than the sum of its proper divisors (6829807).

340437401 is a wasteful number, since it uses less digits than its factorization.

340437401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20203.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 340437401 is about 18450.9458023159. The cubic root of 340437401 is about 698.2523758765.

The spelling of 340437401 in words is "three hundred forty million, four hundred thirty-seven thousand, four hundred one".