340866386 has 16 divisors (see below), whose sum is σ = 593065536. Its totient is φ = 143904816.

The previous prime is 340866367. The next prime is 340866389. The reversal of 340866386 is 683668043.

It is not an unprimeable number, because it can be changed into a prime (340866389) 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, 180761 + ... + 182636.

It is an arithmetic number, because the mean of its divisors is an integer number (37066596).

Almost surely, 2^340866386 is an apocalyptic number.

340866386 is a deficient number, since it is larger than the sum of its proper divisors (252199150).

340866386 is a wasteful number, since it uses less digits than its factorization.

340866386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363473.

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 340866386 is about 18462.5671562760. The cubic root of 340866386 is about 698.5455419289.

The spelling of 340866386 in words is "three hundred forty million, eight hundred sixty-six thousand, three hundred eighty-six".