29509990 has 8 divisors (see below), whose sum is σ = 53118000. Its totient is φ = 11803992.

The previous prime is 29509981. The next prime is 29510027. The reversal of 29509990 is 9990592.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1475490 + ... + 1475509.

It is an arithmetic number, because the mean of its divisors is an integer number (6639750).

Almost surely, 2^29509990 is an apocalyptic number.

29509990 is a deficient number, since it is larger than the sum of its proper divisors (23608010).

29509990 is a wasteful number, since it uses less digits than its factorization.

29509990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951006.

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 29509990 is about 5432.3098217977. The cubic root of 29509990 is about 309.0222052657.

The spelling of 29509990 in words is "twenty-nine million, five hundred nine thousand, nine hundred ninety".