29900245 has 8 divisors (see below), whose sum is σ = 36163584. Its totient is φ = 23731344.

The previous prime is 29900237. The next prime is 29900249. The reversal of 29900245 is 54200992.

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 29900245 - 2³ = 29900237 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 (29900249) 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, 22909 + ... + 24178.

It is an arithmetic number, because the mean of its divisors is an integer number (4520448).

Almost surely, 2^29900245 is an apocalyptic number.

It is an amenable number.

29900245 is a deficient number, since it is larger than the sum of its proper divisors (6263339).

29900245 is a wasteful number, since it uses less digits than its factorization.

29900245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47219.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 29900245 is about 5468.1116484578. Note that the first 3 decimals coincide. The cubic root of 29900245 is about 310.3784659586.

The spelling of 29900245 in words is "twenty-nine million, nine hundred thousand, two hundred forty-five".