340011457 has 4 divisors (see below), whose sum is σ = 351736020. Its totient is φ = 328286896.

The previous prime is 340011437. The next prime is 340011473. The reversal of 340011457 is 754110043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754110043 = 167 ⋅4515629.

It can be written as a sum of positive squares in 2 ways, for example, as 77862976 + 262148481 = 8824^2 + 16191^2 .

It is a cyclic number.

It is not a de Polignac number, because 340011457 - 2¹⁵ = 339978689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340011437) 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, 5862238 + ... + 5862295.

It is an arithmetic number, because the mean of its divisors is an integer number (87934005).

Almost surely, 2^340011457 is an apocalyptic number.

It is an amenable number.

340011457 is a deficient number, since it is larger than the sum of its proper divisors (11724563).

340011457 is a wasteful number, since it uses less digits than its factorization.

340011457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11724562.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 340011457 is about 18439.3995835005. The cubic root of 340011457 is about 697.9610442596.

The spelling of 340011457 in words is "three hundred forty million, eleven thousand, four hundred fifty-seven".