340924649 has 4 divisors (see below), whose sum is σ = 367149636. Its totient is φ = 314699664.

The previous prime is 340924643. The next prime is 340924651. The reversal of 340924649 is 946429043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132411049 + 208513600 = 11507^2 + 14440^2 .

It is a cyclic number.

It is not a de Polignac number, because 340924649 - 2⁸ = 340924393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340924643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13112474 + ... + 13112499.

It is an arithmetic number, because the mean of its divisors is an integer number (91787409).

Almost surely, 2^340924649 is an apocalyptic number.

It is an amenable number.

340924649 is a deficient number, since it is larger than the sum of its proper divisors (26224987).

340924649 is a wasteful number, since it uses less digits than its factorization.

340924649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26224986.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 340924649 is about 18464.1449571866. The cubic root of 340924649 is about 698.5853395758.

The spelling of 340924649 in words is "three hundred forty million, nine hundred twenty-four thousand, six hundred forty-nine".