340599649 has 8 divisors (see below), whose sum is σ = 369689600. Its totient is φ = 311922576.

The previous prime is 340599629. The next prime is 340599667. The reversal of 340599649 is 946995043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340599649 - 2⁹ = 340599137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340599629) 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, 101499 + ... + 104800.

It is an arithmetic number, because the mean of its divisors is an integer number (46211200).

Almost surely, 2^340599649 is an apocalyptic number.

It is an amenable number.

340599649 is a deficient number, since it is larger than the sum of its proper divisors (29089951).

340599649 is a wasteful number, since it uses less digits than its factorization.

340599649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206439.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 340599649 is about 18455.3420179633. The cubic root of 340599649 is about 698.3632842338.

The spelling of 340599649 in words is "three hundred forty million, five hundred ninety-nine thousand, six hundred forty-nine".