340477656 has 32 divisors (see below), whose sum is σ = 851966640. Its totient is φ = 113389568.

The previous prime is 340477639. The next prime is 340477673. The reversal of 340477656 is 656774043.

It is a happy number.

340477656 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 (340477639) and next prime (340477673).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23380 + ... + 35036.

Almost surely, 2^340477656 is an apocalyptic number.

It is an amenable number.

340477656 is an abundant number, since it is smaller than the sum of its proper divisors (511488984).

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

340477656 is a wasteful number, since it uses less digits than its factorization.

340477656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12883 (or 12879 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 340477656 is about 18452.0366355587. The cubic root of 340477656 is about 698.2798963952.

The spelling of 340477656 in words is "three hundred forty million, four hundred seventy-seven thousand, six hundred fifty-six".