340347956 has 48 divisors (see below), whose sum is σ = 684573120. Its totient is φ = 146664960.

The previous prime is 340347913. The next prime is 340347983. The reversal of 340347956 is 659743043.

It is a super-3 number, since 3×340347956³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114335 + ... + 117273.

It is an arithmetic number, because the mean of its divisors is an integer number (14261940).

Almost surely, 2^340347956 is an apocalyptic number.

It is an amenable number.

340347956 is an abundant number, since it is smaller than the sum of its proper divisors (344225164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340347956 is a wasteful number, since it uses less digits than its factorization.

340347956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104 (or 3102 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 340347956 is about 18448.5217836010. The cubic root of 340347956 is about 698.1912186181.

The spelling of 340347956 in words is "three hundred forty million, three hundred forty-seven thousand, nine hundred fifty-six".