340229557 has 6 divisors (see below), whose sum is σ = 351559734. Its totient is φ = 329253480.

The previous prime is 340229543. The next prime is 340229563. The reversal of 340229557 is 755922043.

It can be written as a sum of positive squares in only one way, i.e., 311134321 + 29095236 = 17639^2 + 5394^2 .

It is not a de Polignac number, because 340229557 - 2²⁷ = 206011829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340229507) 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 5 ways as a sum of consecutive naturals, for example, 176058 + ... + 177979.

It is an arithmetic number, because the mean of its divisors is an integer number (58593289).

Almost surely, 2^340229557 is an apocalyptic number.

It is an amenable number.

340229557 is a deficient number, since it is larger than the sum of its proper divisors (11330177).

340229557 is an equidigital number, since it uses as much as digits as its factorization.

340229557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354099 (or 354068 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 340229557 is about 18445.3126023931. The cubic root of 340229557 is about 698.1102478270.

The spelling of 340229557 in words is "three hundred forty million, two hundred twenty-nine thousand, five hundred fifty-seven".