29938489 has 4 divisors (see below), whose sum is σ = 34215424. Its totient is φ = 25661556.

The previous prime is 29938477. The next prime is 29938507. The reversal of 29938489 is 98483992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29938489 - 2⁵ = 29938457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29938409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2138457 + ... + 2138470.

It is an arithmetic number, because the mean of its divisors is an integer number (8553856).

Almost surely, 2^29938489 is an apocalyptic number.

It is an amenable number.

29938489 is a deficient number, since it is larger than the sum of its proper divisors (4276935).

29938489 is an equidigital number, since it uses as much as digits as its factorization.

29938489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276934.

The product of its digits is 1119744, while the sum is 52.

The square root of 29938489 is about 5471.6075334402. The cubic root of 29938489 is about 310.5107397556.

The spelling of 29938489 in words is "twenty-nine million, nine hundred thirty-eight thousand, four hundred eighty-nine".