340279645 has 32 divisors (see below), whose sum is σ = 440092800. Its totient is φ = 251817984.

The previous prime is 340279637. The next prime is 340279669. The reversal of 340279645 is 546972043.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 340279645 - 2³ = 340279637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340279598 and 340279607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 963789 + ... + 964141.

It is an arithmetic number, because the mean of its divisors is an integer number (13752900).

Almost surely, 2^340279645 is an apocalyptic number.

It is an amenable number.

340279645 is a deficient number, since it is larger than the sum of its proper divisors (99813155).

340279645 is a wasteful number, since it uses less digits than its factorization.

340279645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 340279645 is about 18446.6702957471. The cubic root of 340279645 is about 698.1445043357.

The spelling of 340279645 in words is "three hundred forty million, two hundred seventy-nine thousand, six hundred forty-five".