29641081 has 4 divisors (see below), whose sum is σ = 31384692. Its totient is φ = 27897472.

The previous prime is 29641049. The next prime is 29641093. The reversal of 29641081 is 18014692.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25401600 + 4239481 = 5040^2 + 2059^2 .

It is a cyclic number.

It is not a de Polignac number, because 29641081 - 2⁵ = 29641049 is a prime.

It is a super-2 number, since 2×29641081² = 1757187365697122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29641021) 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, 871780 + ... + 871813.

It is an arithmetic number, because the mean of its divisors is an integer number (7846173).

Almost surely, 2^29641081 is an apocalyptic number.

It is an amenable number.

29641081 is a deficient number, since it is larger than the sum of its proper divisors (1743611).

29641081 is a wasteful number, since it uses less digits than its factorization.

29641081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743610.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 29641081 is about 5444.3623134395. The cubic root of 29641081 is about 309.4791148543.

The spelling of 29641081 in words is "twenty-nine million, six hundred forty-one thousand, eighty-one".