29469980 has 48 divisors (see below), whose sum is σ = 64308384. Its totient is φ = 11335680.

The previous prime is 29469977. The next prime is 29469983. The reversal of 29469980 is 8996492.

It is an interprime number because it is at equal distance from previous prime (29469977) and next prime (29469983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29469983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67844 + ... + 68276.

It is an arithmetic number, because the mean of its divisors is an integer number (1339758).

Almost surely, 2^29469980 is an apocalyptic number.

29469980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29469980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32154192).

29469980 is an abundant number, since it is smaller than the sum of its proper divisors (34838404).

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

29469980 is a wasteful number, since it uses less digits than its factorization.

29469980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 29469980 is about 5428.6259771695. The cubic root of 29469980 is about 308.8824834247.

The spelling of 29469980 in words is "twenty-nine million, four hundred sixty-nine thousand, nine hundred eighty".