34781229 has 48 divisors (see below), whose sum is σ = 61776000. Its totient is φ = 18797184.

The previous prime is 34781213. The next prime is 34781231. The reversal of 34781229 is 92218743.

It is not a de Polignac number, because 34781229 - 2⁴ = 34781213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34781193 and 34781202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34781249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58357 + ... + 58949.

It is an arithmetic number, because the mean of its divisors is an integer number (1287000).

Almost surely, 2^34781229 is an apocalyptic number.

It is an amenable number.

34781229 is a deficient number, since it is larger than the sum of its proper divisors (26994771).

34781229 is a wasteful number, since it uses less digits than its factorization.

34781229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 622 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 34781229 is about 5897.5612756461. The cubic root of 34781229 is about 326.4236684916.

The spelling of 34781229 in words is "thirty-four million, seven hundred eighty-one thousand, two hundred twenty-nine".