340400417 has 8 divisors (see below), whose sum is σ = 389181312. Its totient is φ = 291657600.

The previous prime is 340400413. The next prime is 340400449. The reversal of 340400417 is 714004043.

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 340400417 - 2² = 340400413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340400392 and 340400401.

It is not an unprimeable number, because it can be changed into a prime (340400413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13292 + ... + 29282.

It is an arithmetic number, because the mean of its divisors is an integer number (48647664).

Almost surely, 2^340400417 is an apocalyptic number.

It is an amenable number.

340400417 is a deficient number, since it is larger than the sum of its proper divisors (48780895).

340400417 is a wasteful number, since it uses less digits than its factorization.

340400417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19039.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 340400417 is about 18449.9435500491. The cubic root of 340400417 is about 698.2270896799.

The spelling of 340400417 in words is "three hundred forty million, four hundred thousand, four hundred seventeen".