29698989 has 4 divisors (see below), whose sum is σ = 39598656. Its totient is φ = 19799324.

The previous prime is 29698979. The next prime is 29699011. The reversal of 29698989 is 98989692.

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 29698989 - 2⁴ = 29698973 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29698909) 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, 4949829 + ... + 4949834.

It is an arithmetic number, because the mean of its divisors is an integer number (9899664).

Almost surely, 2^29698989 is an apocalyptic number.

It is an amenable number.

29698989 is a deficient number, since it is larger than the sum of its proper divisors (9899667).

29698989 is an equidigital number, since it uses as much as digits as its factorization.

29698989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9899666.

The product of its digits is 5038848, while the sum is 60.

The square root of 29698989 is about 5449.6778803889. The cubic root of 29698989 is about 309.6805206738.

The spelling of 29698989 in words is "twenty-nine million, six hundred ninety-eight thousand, nine hundred eighty-nine".