29003990 has 8 divisors (see below), whose sum is σ = 52207200. Its totient is φ = 11601592.

The previous prime is 29003971. The next prime is 29003999. The reversal of 29003990 is 9930092.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29003999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450190 + ... + 1450209.

It is an arithmetic number, because the mean of its divisors is an integer number (6525900).

Almost surely, 2^29003990 is an apocalyptic number.

29003990 is a deficient number, since it is larger than the sum of its proper divisors (23203210).

29003990 is a wasteful number, since it uses less digits than its factorization.

29003990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900406.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 29003990 is about 5385.5352565924. The cubic root of 29003990 is about 307.2457722030.

The spelling of 29003990 in words is "twenty-nine million, three thousand, nine hundred ninety".