340389826 has 16 divisors (see below), whose sum is σ = 614237760. Its totient is φ = 138203280.

The previous prime is 340389823. The next prime is 340389869. The reversal of 340389826 is 628983043.

It is not an unprimeable number, because it can be changed into a prime (340389823) 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, 639565 + ... + 640096.

It is an arithmetic number, because the mean of its divisors is an integer number (38389860).

Almost surely, 2^340389826 is an apocalyptic number.

340389826 is a deficient number, since it is larger than the sum of its proper divisors (273847934).

340389826 is a wasteful number, since it uses less digits than its factorization.

340389826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279689.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 340389826 is about 18449.6565279682. The cubic root of 340389826 is about 698.2198482084.

The spelling of 340389826 in words is "three hundred forty million, three hundred eighty-nine thousand, eight hundred twenty-six".