29471380 has 12 divisors (see below), whose sum is σ = 61889940. Its totient is φ = 11788544.

The previous prime is 29471369. The next prime is 29471381. The reversal of 29471380 is 8317492.

It can be written as a sum of positive squares in 2 ways, for example, as 4210704 + 25260676 = 2052^2 + 5026^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29471381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736765 + ... + 736804.

It is an arithmetic number, because the mean of its divisors is an integer number (5157495).

Almost surely, 2^29471380 is an apocalyptic number.

29471380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29471380 is an abundant number, since it is smaller than the sum of its proper divisors (32418560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29471380 is a wasteful number, since it uses less digits than its factorization.

29471380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473578 (or 1473576 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 29471380 is about 5428.7549217109. The cubic root of 29471380 is about 308.8873746013.

The spelling of 29471380 in words is "twenty-nine million, four hundred seventy-one thousand, three hundred eighty".