34561949 has 4 divisors (see below), whose sum is σ = 34814364. Its totient is φ = 34309536.

The previous prime is 34561921. The next prime is 34561951. The reversal of 34561949 is 94916543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94916543 = 277 ⋅342659.

It can be written as a sum of positive squares in 2 ways, for example, as 15856324 + 18705625 = 3982^2 + 4325^2 .

It is a cyclic number.

It is not a de Polignac number, because 34561949 - 2²⁰ = 33513373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34561909) 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, 126002 + ... + 126275.

It is an arithmetic number, because the mean of its divisors is an integer number (8703591).

Almost surely, 2^34561949 is an apocalyptic number.

It is an amenable number.

34561949 is a deficient number, since it is larger than the sum of its proper divisors (252415).

34561949 is a wasteful number, since it uses less digits than its factorization.

34561949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252414.

The product of its digits is 116640, while the sum is 41.

The square root of 34561949 is about 5878.9411461589. The cubic root of 34561949 is about 325.7362370244.

The spelling of 34561949 in words is "thirty-four million, five hundred sixty-one thousand, nine hundred forty-nine".