29214981 has 6 divisors (see below), whose sum is σ = 42199430. Its totient is φ = 19476648.

The previous prime is 29214973. The next prime is 29215003. The reversal of 29214981 is 18941292.

It can be written as a sum of positive squares in only one way, i.e., 29062881 + 152100 = 5391^2 + 390^2 .

It is not a de Polignac number, because 29214981 - 2³ = 29214973 is a prime.

It is a super-2 number, since 2×29214981² = 1707030229660722, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29214961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1623046 + ... + 1623063.

Almost surely, 2^29214981 is an apocalyptic number.

It is an amenable number.

29214981 is a deficient number, since it is larger than the sum of its proper divisors (12984449).

29214981 is a wasteful number, since it uses less digits than its factorization.

29214981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246115 (or 3246112 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 29214981 is about 5405.0884359093. The cubic root of 29214981 is about 307.9889978923.

It can be divided in two parts, 292149 and 81, that added together give a triangular number (292230 = T₇₆₄).

The spelling of 29214981 in words is "twenty-nine million, two hundred fourteen thousand, nine hundred eighty-one".