340573638 has 16 divisors (see below), whose sum is σ = 687176496. Its totient is φ = 112519680.

The previous prime is 340573603. The next prime is 340573679. The reversal of 340573638 is 836375043.

It is a junction number, because it is equal to n+sod(n) for n = 340573596 and 340573605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250483 + ... + 251838.

It is an arithmetic number, because the mean of its divisors is an integer number (42948531).

Almost surely, 2^340573638 is an apocalyptic number.

340573638 is an abundant number, since it is smaller than the sum of its proper divisors (346602858).

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

340573638 is a wasteful number, since it uses less digits than its factorization.

340573638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502439.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 340573638 is about 18454.6373033988. The cubic root of 340573638 is about 698.3455061867.

The spelling of 340573638 in words is "three hundred forty million, five hundred seventy-three thousand, six hundred thirty-eight".