340570407 has 32 divisors (see below), whose sum is σ = 482899968. Its totient is φ = 213070176.

The previous prime is 340570397. The next prime is 340570423. The reversal of 340570407 is 704075043.

It is not a de Polignac number, because 340570407 - 2²³ = 332181799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340570487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1203288 + ... + 1203570.

It is an arithmetic number, because the mean of its divisors is an integer number (15090624).

Almost surely, 2^340570407 is an apocalyptic number.

340570407 is a deficient number, since it is larger than the sum of its proper divisors (142329561).

340570407 is a wasteful number, since it uses less digits than its factorization.

340570407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 340570407 is about 18454.5497642180. The cubic root of 340570407 is about 698.3432977935.

The spelling of 340570407 in words is "three hundred forty million, five hundred seventy thousand, four hundred seven".