34140649 has 3 divisors (see below), whose sum is σ = 34146493. Its totient is φ = 34134806.

The previous prime is 34140643. The next prime is 34140679. The reversal of 34140649 is 94604143.

The square root of 34140649 is 5843.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94604143 = 1151 ⋅82193.

It is a de Polignac number, because none of the positive numbers 2^k-34140649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34140649.

It is not an unprimeable number, because it can be changed into a prime (34140643) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2922 + ... + 8764.

Almost surely, 2^34140649 is an apocalyptic number.

34140649 is the 5843-rd square number.

34140649 is the 2922-nd centered octagonal number.

It is an amenable number.

34140649 is a deficient number, since it is larger than the sum of its proper divisors (5844).

34140649 is an frugal number, since it uses more digits than its factorization.

34140649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11686 (or 5843 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The cubic root of 34140649 is about 324.4072794430.

The spelling of 34140649 in words is "thirty-four million, one hundred forty thousand, six hundred forty-nine".