340457446 has 8 divisors (see below), whose sum is σ = 583641360. Its totient is φ = 145910328.

The previous prime is 340457443. The next prime is 340457449. The reversal of 340457446 is 644754043.

340457446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (340457443) and next prime (340457449).

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

It is a super-2 number, since 2×340457446² = 231822545073685832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340457441) 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 3 ways as a sum of consecutive naturals, for example, 12159181 + ... + 12159208.

It is an arithmetic number, because the mean of its divisors is an integer number (72955170).

Almost surely, 2^340457446 is an apocalyptic number.

340457446 is a deficient number, since it is larger than the sum of its proper divisors (243183914).

340457446 is a wasteful number, since it uses less digits than its factorization.

340457446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24318398.

The product of its (nonzero) digits is 161280, while the sum is 37.

The square root of 340457446 is about 18451.4889914066. The cubic root of 340457446 is about 698.2660800055.

The spelling of 340457446 in words is "three hundred forty million, four hundred fifty-seven thousand, four hundred forty-six".