29035421 has 8 divisors (see below), whose sum is σ = 29857464. Its totient is φ = 28218880.

The previous prime is 29035399. The next prime is 29035441. The reversal of 29035421 is 12453092.

It can be written as a sum of positive squares in 4 ways, for example, as 11978521 + 17056900 = 3461^2 + 4130^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29035421 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 (29035441) 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, 10805 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (3732183).

Almost surely, 2^29035421 is an apocalyptic number.

It is an amenable number.

29035421 is a deficient number, since it is larger than the sum of its proper divisors (822043).

29035421 is a wasteful number, since it uses less digits than its factorization.

29035421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 29035421 is about 5388.4525608007. The cubic root of 29035421 is about 307.3567173476.

The spelling of 29035421 in words is "twenty-nine million, thirty-five thousand, four hundred twenty-one".