29638045 has 8 divisors (see below), whose sum is σ = 35751096. Its totient is φ = 23586816.

The previous prime is 29638033. The next prime is 29638057. The reversal of 29638045 is 54083692.

It is an interprime number because it is at equal distance from previous prime (29638033) and next prime (29638057).

It can be written as a sum of positive squares in 4 ways, for example, as 4897369 + 24740676 = 2213^2 + 4974^2 .

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 29638045 - 2⁹ = 29637533 is a prime.

It is a super-2 number, since 2×29638045² = 1756827422844050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29637995 and 29638013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14392 + ... + 16321.

It is an arithmetic number, because the mean of its divisors is an integer number (4468887).

Almost surely, 2^29638045 is an apocalyptic number.

It is an amenable number.

29638045 is a deficient number, since it is larger than the sum of its proper divisors (6113051).

29638045 is a wasteful number, since it uses less digits than its factorization.

29638045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30911.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 29638045 is about 5444.0834857669. The cubic root of 29638045 is about 309.4685483180.

The spelling of 29638045 in words is "twenty-nine million, six hundred thirty-eight thousand, forty-five".