29428946 has 8 divisors (see below), whose sum is σ = 44802480. Its totient is φ = 14494788.

The previous prime is 29428943. The next prime is 29428979. The reversal of 29428946 is 64982492.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 29428897 and 29428906.

It is not an unprimeable number, because it can be changed into a prime (29428943) 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, 109676 + ... + 109943.

It is an arithmetic number, because the mean of its divisors is an integer number (5600310).

Almost surely, 2^29428946 is an apocalyptic number.

29428946 is a deficient number, since it is larger than the sum of its proper divisors (15373534).

29428946 is a wasteful number, since it uses less digits than its factorization.

29428946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219688.

The product of its digits is 248832, while the sum is 44.

The square root of 29428946 is about 5424.8452512491. The cubic root of 29428946 is about 308.7390541777.

The spelling of 29428946 in words is "twenty-nine million, four hundred twenty-eight thousand, nine hundred forty-six".