340457853 has 8 divisors (see below), whose sum is σ = 454350400. Its totient is φ = 226768608.

The previous prime is 340457839. The next prime is 340457863. The reversal of 340457853 is 358754043.

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

It is not a de Polignac number, because 340457853 - 2⁴ = 340457837 is a prime.

It is the 18452-nd Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340457863) by changing a digit.

It is a nontrivial repunit in base 18451.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46873 + ... + 53646.

It is an arithmetic number, because the mean of its divisors is an integer number (56793800).

Almost surely, 2^340457853 is an apocalyptic number.

It is an amenable number.

340457853 is a deficient number, since it is larger than the sum of its proper divisors (113892547).

340457853 is a wasteful number, since it uses less digits than its factorization.

340457853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101651.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 340457853 is about 18451.5000203236. The cubic root of 340457853 is about 698.2663582529.

The spelling of 340457853 in words is "three hundred forty million, four hundred fifty-seven thousand, eight hundred fifty-three".