34187649 has 4 divisors (see below), whose sum is σ = 45583536. Its totient is φ = 22791764.

The previous prime is 34187611. The next prime is 34187651. The reversal of 34187649 is 94678143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34187649 - 2⁷ = 34187521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34187649.

It is not an unprimeable number, because it can be changed into a prime (34187749) 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, 5697939 + ... + 5697944.

It is an arithmetic number, because the mean of its divisors is an integer number (11395884).

Almost surely, 2^34187649 is an apocalyptic number.

It is an amenable number.

34187649 is a deficient number, since it is larger than the sum of its proper divisors (11395887).

34187649 is a wasteful number, since it uses less digits than its factorization.

34187649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395886.

The product of its digits is 145152, while the sum is 42.

The square root of 34187649 is about 5847.0205233093. The cubic root of 34187649 is about 324.5560771493.

It can be divided in two parts, 341 and 87649, that added together give a triangular number (87990 = T₄₁₉).

The spelling of 34187649 in words is "thirty-four million, one hundred eighty-seven thousand, six hundred forty-nine".