34228749 has 4 divisors (see below), whose sum is σ = 45638336. Its totient is φ = 22819164.

The previous prime is 34228697. The next prime is 34228757. The reversal of 34228749 is 94782243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94782243 = 3 ⋅31594081.

It is not a de Polignac number, because 34228749 - 2⁹ = 34228237 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 (34228849) 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, 5704789 + ... + 5704794.

It is an arithmetic number, because the mean of its divisors is an integer number (11409584).

Almost surely, 2^34228749 is an apocalyptic number.

It is an amenable number.

34228749 is a deficient number, since it is larger than the sum of its proper divisors (11409587).

34228749 is a wasteful number, since it uses less digits than its factorization.

34228749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409586.

The product of its digits is 96768, while the sum is 39.

The square root of 34228749 is about 5850.5340781847. The cubic root of 34228749 is about 324.6860842648.

The spelling of 34228749 in words is "thirty-four million, two hundred twenty-eight thousand, seven hundred forty-nine".