29470981 has 8 divisors (see below), whose sum is σ = 31584384. Its totient is φ = 27426960.

The previous prime is 29470967. The next prime is 29470993. The reversal of 29470981 is 18907492.

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

It is a cyclic number.

It is not a de Polignac number, because 29470981 - 2¹³ = 29462789 is a prime.

It is a super-2 number, since 2×29470981² = 1737077442204722, 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 (29470901) 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, 16465 + ... + 18166.

It is an arithmetic number, because the mean of its divisors is an integer number (3948048).

Almost surely, 2^29470981 is an apocalyptic number.

It is an amenable number.

29470981 is a deficient number, since it is larger than the sum of its proper divisors (2113403).

29470981 is a wasteful number, since it uses less digits than its factorization.

29470981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34691.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 29470981 is about 5428.7181728286. The cubic root of 29470981 is about 308.8859806317.

The spelling of 29470981 in words is "twenty-nine million, four hundred seventy thousand, nine hundred eighty-one".