29829945 has 16 divisors (see below), whose sum is σ = 47833920. Its totient is φ = 15873984.

The previous prime is 29829911. The next prime is 29829959. The reversal of 29829945 is 54992892.

It is a happy number.

It is not a de Polignac number, because 29829945 - 2¹⁰ = 29828921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29829894 and 29829903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5682 + ... + 9588.

It is an arithmetic number, because the mean of its divisors is an integer number (2989620).

Almost surely, 2^29829945 is an apocalyptic number.

It is an amenable number.

29829945 is a deficient number, since it is larger than the sum of its proper divisors (18003975).

29829945 is a wasteful number, since it uses less digits than its factorization.

29829945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424.

The product of its digits is 466560, while the sum is 48.

The square root of 29829945 is about 5461.6796866898. The cubic root of 29829945 is about 310.1350261593.

The spelling of 29829945 in words is "twenty-nine million, eight hundred twenty-nine thousand, nine hundred forty-five".