340386864 has 40 divisors (see below), whose sum is σ = 882235200. Its totient is φ = 113087808.

The previous prime is 340386859. The next prime is 340386877. The reversal of 340386864 is 468683043.

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 7 ways as a sum of consecutive naturals, for example, 3187 + ... + 26285.

It is an arithmetic number, because the mean of its divisors is an integer number (22055880).

Almost surely, 2^340386864 is an apocalyptic number.

It is an amenable number.

340386864 is an abundant number, since it is smaller than the sum of its proper divisors (541848336).

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

340386864 is a wasteful number, since it uses less digits than its factorization.

340386864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23417 (or 23411 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 340386864 is about 18449.5762552965. The cubic root of 340386864 is about 698.2178229489.

The spelling of 340386864 in words is "three hundred forty million, three hundred eighty-six thousand, eight hundred sixty-four".