29438545 has 8 divisors (see below), whose sum is σ = 35531496. Its totient is φ = 23414016.

The previous prime is 29438501. The next prime is 29438557. The reversal of 29438545 is 54583492.

It can be written as a sum of positive squares in 4 ways, for example, as 11316496 + 18122049 = 3364^2 + 4257^2 .

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-29438545 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29438498 and 29438507.

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, 16152 + ... + 17881.

It is an arithmetic number, because the mean of its divisors is an integer number (4441437).

Almost surely, 2^29438545 is an apocalyptic number.

It is an amenable number.

29438545 is a deficient number, since it is larger than the sum of its proper divisors (6092951).

29438545 is a wasteful number, since it uses less digits than its factorization.

29438545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34211.

The product of its digits is 172800, while the sum is 40.

The square root of 29438545 is about 5425.7299048147. The cubic root of 29438545 is about 308.7726182297.

The spelling of 29438545 in words is "twenty-nine million, four hundred thirty-eight thousand, five hundred forty-five".