29920946 has 16 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 13492080.

The previous prime is 29920883. The next prime is 29920949. The reversal of 29920946 is 64902992.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29920949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2561 + ... + 8148.

It is an arithmetic number, because the mean of its divisors is an integer number (3084480).

Almost surely, 2^29920946 is an apocalyptic number.

29920946 is a deficient number, since it is larger than the sum of its proper divisors (19430734).

29920946 is a wasteful number, since it uses less digits than its factorization.

29920946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 29920946 is about 5470.0042047516. The cubic root of 29920946 is about 310.4500781077.

The spelling of 29920946 in words is "twenty-nine million, nine hundred twenty thousand, nine hundred forty-six".