29485421 has 4 divisors (see below), whose sum is σ = 33697632. Its totient is φ = 25273212.

The previous prime is 29485409. The next prime is 29485439. The reversal of 29485421 is 12458492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29485421 - 2¹⁰ = 29484397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29485441) 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, 2106095 + ... + 2106108.

It is an arithmetic number, because the mean of its divisors is an integer number (8424408).

Almost surely, 2^29485421 is an apocalyptic number.

It is an amenable number.

29485421 is a deficient number, since it is larger than the sum of its proper divisors (4212211).

29485421 is an equidigital number, since it uses as much as digits as its factorization.

29485421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212210.

The product of its digits is 23040, while the sum is 35.

The square root of 29485421 is about 5430.0479740054. The cubic root of 29485421 is about 308.9364210438.

The spelling of 29485421 in words is "twenty-nine million, four hundred eighty-five thousand, four hundred twenty-one".