340046838 has 72 divisors (see below), whose sum is σ = 796323528. Its totient is φ = 104799744.

The previous prime is 340046831. The next prime is 340046867. The reversal of 340046838 is 838640043.

340046838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340046831) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 278806 + ... + 280022.

It is an arithmetic number, because the mean of its divisors is an integer number (11060049).

Almost surely, 2^340046838 is an apocalyptic number.

340046838 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 340046838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398161764).

340046838 is an abundant number, since it is smaller than the sum of its proper divisors (456276690).

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

340046838 is a wasteful number, since it uses less digits than its factorization.

340046838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 340046838 is about 18440.3589444457. The cubic root of 340046838 is about 697.9852529567.

The spelling of 340046838 in words is "three hundred forty million, forty-six thousand, eight hundred thirty-eight".