340408732 has 24 divisors (see below), whose sum is σ = 626749200. Its totient is φ = 161562240.

The previous prime is 340408721. The next prime is 340408751. The reversal of 340408732 is 237804043.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 340408694 and 340408703.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21982 + ... + 34117.

It is an arithmetic number, because the mean of its divisors is an integer number (26114550).

Almost surely, 2^340408732 is an apocalyptic number.

It is an amenable number.

340408732 is a deficient number, since it is larger than the sum of its proper divisors (286340468).

340408732 is a wasteful number, since it uses less digits than its factorization.

340408732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56181 (or 56179 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 340408732 is about 18450.1688881159. The cubic root of 340408732 is about 698.2327748580.

The spelling of 340408732 in words is "three hundred forty million, four hundred eight thousand, seven hundred thirty-two".