340381888 has 168 divisors, whose sum is σ = 898306560. Its totient is φ = 124293120.

The previous prime is 340381883. The next prime is 340381889. The reversal of 340381888 is 888183043.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340381883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1424073 + ... + 1424311.

Almost surely, 2^340381888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340381888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449153280).

340381888 is an abundant number, since it is smaller than the sum of its proper divisors (557924672).

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

340381888 is a wasteful number, since it uses less digits than its factorization.

340381888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 340381888 is about 18449.4414007579. The cubic root of 340381888 is about 698.2144205959.

The spelling of 340381888 in words is "three hundred forty million, three hundred eighty-one thousand, eight hundred eighty-eight".