29846989 has 4 divisors (see below), whose sum is σ = 29981056. Its totient is φ = 29712924.

The previous prime is 29846987. The next prime is 29847001. The reversal of 29846989 is 98964892.

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 29846989 - 2¹ = 29846987 is a prime.

It is a super-2 number, since 2×29846989² = 1781685504732242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29846983) 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, 66699 + ... + 67144.

It is an arithmetic number, because the mean of its divisors is an integer number (7495264).

Almost surely, 2^29846989 is an apocalyptic number.

It is an amenable number.

29846989 is a deficient number, since it is larger than the sum of its proper divisors (134067).

29846989 is a wasteful number, since it uses less digits than its factorization.

29846989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134066.

The product of its digits is 2239488, while the sum is 55.

The square root of 29846989 is about 5463.2397897218. The cubic root of 29846989 is about 310.1940824192.

The spelling of 29846989 in words is "twenty-nine million, eight hundred forty-six thousand, nine hundred eighty-nine".