340001457 has 4 divisors (see below), whose sum is σ = 453335280. Its totient is φ = 226667636.

The previous prime is 340001443. The next prime is 340001477. The reversal of 340001457 is 754100043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340001457 - 2¹⁵ = 339968689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340001407) 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, 56666907 + ... + 56666912.

It is an arithmetic number, because the mean of its divisors is an integer number (113333820).

Almost surely, 2^340001457 is an apocalyptic number.

It is an amenable number.

340001457 is a deficient number, since it is larger than the sum of its proper divisors (113333823).

340001457 is a wasteful number, since it uses less digits than its factorization.

340001457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113333822.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 340001457 is about 18439.1284230031. The cubic root of 340001457 is about 697.9542016677.

The spelling of 340001457 in words is "three hundred forty million, one thousand, four hundred fifty-seven".