340671357 has 12 divisors (see below), whose sum is σ = 529933404. Its totient is φ = 209643840.

The previous prime is 340671319. The next prime is 340671371. The reversal of 340671357 is 753176043.

It can be written as a sum of positive squares in 2 ways, for example, as 139570596 + 201100761 = 11814^2 + 14181^2 .

It is not a de Polignac number, because 340671357 - 2⁶ = 340671293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340678357) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1455744 + ... + 1455977.

It is an arithmetic number, because the mean of its divisors is an integer number (44161117).

Almost surely, 2^340671357 is an apocalyptic number.

It is an amenable number.

340671357 is a deficient number, since it is larger than the sum of its proper divisors (189262047).

340671357 is a wasteful number, since it uses less digits than its factorization.

340671357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911740 (or 2911737 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 340671357 is about 18457.2846594509. The cubic root of 340671357 is about 698.4122906656.

The spelling of 340671357 in words is "three hundred forty million, six hundred seventy-one thousand, three hundred fifty-seven".