29832981 has 8 divisors (see below), whose sum is σ = 39855744. Its totient is φ = 19849440.

The previous prime is 29832961. The next prime is 29832997. The reversal of 29832981 is 18923892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29832981 - 2⁷ = 29832853 is a prime.

It is a super-2 number, since 2×29832981² = 1780013510692722, which contains 22 as substring.

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 (29832931) 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, 7981 + ... + 11106.

It is an arithmetic number, because the mean of its divisors is an integer number (4981968).

Almost surely, 2^29832981 is an apocalyptic number.

It is an amenable number.

29832981 is a deficient number, since it is larger than the sum of its proper divisors (10022763).

29832981 is a wasteful number, since it uses less digits than its factorization.

29832981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19611.

The product of its digits is 62208, while the sum is 42.

The square root of 29832981 is about 5461.9576160933. The cubic root of 29832981 is about 310.1455473319.

The spelling of 29832981 in words is "twenty-nine million, eight hundred thirty-two thousand, nine hundred eighty-one".