29420990 has 8 divisors (see below), whose sum is σ = 52957800. Its totient is φ = 11768392.

The previous prime is 29420983. The next prime is 29421017. The reversal of 29420990 is 9902492.

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

It is a self number, because there is not a number n which added to its sum of digits gives 29420990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471040 + ... + 1471059.

It is an arithmetic number, because the mean of its divisors is an integer number (6619725).

Almost surely, 2^29420990 is an apocalyptic number.

29420990 is a deficient number, since it is larger than the sum of its proper divisors (23536810).

29420990 is a wasteful number, since it uses less digits than its factorization.

29420990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942106.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 29420990 is about 5424.1119088750. Note that the first 3 decimals coincide. The cubic root of 29420990 is about 308.7112295397.

The spelling of 29420990 in words is "twenty-nine million, four hundred twenty thousand, nine hundred ninety".