29490899 has 4 divisors (see below), whose sum is σ = 30773136. Its totient is φ = 28208664.

The previous prime is 29490893. The next prime is 29490913. The reversal of 29490899 is 99809492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29490899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29490893) 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, 641084 + ... + 641129.

It is an arithmetic number, because the mean of its divisors is an integer number (7693284).

Almost surely, 2^29490899 is an apocalyptic number.

29490899 is a deficient number, since it is larger than the sum of its proper divisors (1282237).

29490899 is a wasteful number, since it uses less digits than its factorization.

29490899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282236.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 29490899 is about 5430.5523660121. The cubic root of 29490899 is about 308.9555519551.

The spelling of 29490899 in words is "twenty-nine million, four hundred ninety thousand, eight hundred ninety-nine".