29390885 has 8 divisors (see below), whose sum is σ = 35934840. Its totient is φ = 23068864.

The previous prime is 29390873. The next prime is 29390897. The reversal of 29390885 is 58809392.

It is an interprime number because it is at equal distance from previous prime (29390873) and next prime (29390897).

It can be written as a sum of positive squares in 4 ways, for example, as 8579041 + 20811844 = 2929^2 + 4562^2 .

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-29390885 is a prime.

It is a Curzon number.

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, 55190 + ... + 55719.

It is an arithmetic number, because the mean of its divisors is an integer number (4491855).

Almost surely, 2^29390885 is an apocalyptic number.

It is an amenable number.

29390885 is a deficient number, since it is larger than the sum of its proper divisors (6543955).

29390885 is a wasteful number, since it uses less digits than its factorization.

29390885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110967.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 29390885 is about 5421.3360899321. The cubic root of 29390885 is about 308.6058974474.

The spelling of 29390885 in words is "twenty-nine million, three hundred ninety thousand, eight hundred eighty-five".