340607664 has 120 divisors (see below), whose sum is σ = 1008518784. Its totient is φ = 107136000.

The previous prime is 340607629. The next prime is 340607677. The reversal of 340607664 is 466706043.

340607664 is a `hidden beast` number, since 3 + 40 + 607 + 6 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 182094 + ... + 183954.

Almost surely, 2^340607664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340607664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504259392).

340607664 is an abundant number, since it is smaller than the sum of its proper divisors (667911120).

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

340607664 is a wasteful number, since it uses less digits than its factorization.

340607664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 340607664 is about 18455.5591624854. The cubic root of 340607664 is about 698.3687621586.

The spelling of 340607664 in words is "three hundred forty million, six hundred seven thousand, six hundred sixty-four".