29826980 has 24 divisors (see below), whose sum is σ = 62770680. Its totient is φ = 11905280.

The previous prime is 29826947. The next prime is 29826983. The reversal of 29826980 is 8962892.

It can be written as a sum of positive squares in 4 ways, for example, as 2849344 + 26977636 = 1688^2 + 5194^2 .

It is not an unprimeable number, because it can be changed into a prime (29826983) 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, 10070 + ... + 12690.

It is an arithmetic number, because the mean of its divisors is an integer number (2615445).

Almost surely, 2^29826980 is an apocalyptic number.

29826980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29826980 is an abundant number, since it is smaller than the sum of its proper divisors (32943700).

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

29826980 is a wasteful number, since it uses less digits than its factorization.

29826980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199 (or 3197 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 29826980 is about 5461.4082433014. The cubic root of 29826980 is about 310.1247503462.

The spelling of 29826980 in words is "twenty-nine million, eight hundred twenty-six thousand, nine hundred eighty".