340736388 has 12 divisors (see below), whose sum is σ = 795051600. Its totient is φ = 113578792.

The previous prime is 340736369. The next prime is 340736413. The reversal of 340736388 is 883637043.

340736388 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×340736388² = 232202572214573088, which contains 22 as substring.

340736388 is strictly pandigital in base 9.

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 3 ways as a sum of consecutive naturals, for example, 14197338 + ... + 14197361.

It is an arithmetic number, because the mean of its divisors is an integer number (66254300).

Almost surely, 2^340736388 is an apocalyptic number.

It is an amenable number.

340736388 is an abundant number, since it is smaller than the sum of its proper divisors (454315212).

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

340736388 is a wasteful number, since it uses less digits than its factorization.

340736388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28394706 (or 28394704 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 340736388 is about 18459.0462375498. The cubic root of 340736388 is about 698.4567279794.

The spelling of 340736388 in words is "three hundred forty million, seven hundred thirty-six thousand, three hundred eighty-eight".