29694981 has 8 divisors (see below), whose sum is σ = 39648384. Its totient is φ = 19769120.

The previous prime is 29694953. The next prime is 29694997. The reversal of 29694981 is 18949692.

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 29694981 - 2¹¹ = 29692933 is a prime.

It is a super-2 number, since 2×29694981² = 1763583793180722, which contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29694981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29694911) 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, 4221 + ... + 8786.

It is an arithmetic number, because the mean of its divisors is an integer number (4956048).

Almost surely, 2^29694981 is an apocalyptic number.

It is an amenable number.

29694981 is a deficient number, since it is larger than the sum of its proper divisors (9953403).

29694981 is a wasteful number, since it uses less digits than its factorization.

29694981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13771.

The product of its digits is 279936, while the sum is 48.

The square root of 29694981 is about 5449.3101398250. The cubic root of 29694981 is about 309.6665891629. Note that the first 3 decimals are identical.

The spelling of 29694981 in words is "twenty-nine million, six hundred ninety-four thousand, nine hundred eighty-one".