29624421 has 8 divisors (see below), whose sum is σ = 41822784. Its totient is φ = 18587840.

The previous prime is 29624417. The next prime is 29624423. The reversal of 29624421 is 12442692.

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

It is a cyclic number.

It is not a de Polignac number, because 29624421 - 2² = 29624417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29624423) 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, 290385 + ... + 290486.

It is an arithmetic number, because the mean of its divisors is an integer number (5227848).

Almost surely, 2^29624421 is an apocalyptic number.

It is an amenable number.

29624421 is a deficient number, since it is larger than the sum of its proper divisors (12198363).

29624421 is a wasteful number, since it uses less digits than its factorization.

29624421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580891.

The product of its digits is 6912, while the sum is 30.

The square root of 29624421 is about 5442.8320753079. The cubic root of 29624421 is about 309.4211222737.

The spelling of 29624421 in words is "twenty-nine million, six hundred twenty-four thousand, four hundred twenty-one".