340991736 has 32 divisors (see below), whose sum is σ = 853117440. Its totient is φ = 113578848.

The previous prime is 340991731. The next prime is 340991737. The reversal of 340991736 is 637199043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340991731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33075 + ... + 42141.

It is an arithmetic number, because the mean of its divisors is an integer number (26659920).

Almost surely, 2^340991736 is an apocalyptic number.

It is an amenable number.

340991736 is an abundant number, since it is smaller than the sum of its proper divisors (512125704).

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

340991736 is a wasteful number, since it uses less digits than its factorization.

340991736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643 (or 10639 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 340991736 is about 18465.9615509185. The cubic root of 340991736 is about 698.6311590074.

The spelling of 340991736 in words is "three hundred forty million, nine hundred ninety-one thousand, seven hundred thirty-six".