340433678 has 32 divisors (see below), whose sum is σ = 581952000. Its totient is φ = 148062816.

The previous prime is 340433671. The next prime is 340433683. The reversal of 340433678 is 876334043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340433671) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 96575 + ... + 100037.

It is an arithmetic number, because the mean of its divisors is an integer number (18186000).

Almost surely, 2^340433678 is an apocalyptic number.

340433678 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

340433678 is a deficient number, since it is larger than the sum of its proper divisors (241518322).

340433678 is a wasteful number, since it uses less digits than its factorization.

340433678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 340433678 is about 18450.8449129030. The cubic root of 340433678 is about 698.2498305205.

The spelling of 340433678 in words is "three hundred forty million, four hundred thirty-three thousand, six hundred seventy-eight".