29504980 has 24 divisors (see below), whose sum is σ = 62382600. Its totient is φ = 11721600.

The previous prime is 29504971. The next prime is 29504983. The reversal of 29504980 is 8940592.

It can be written as a sum of positive squares in 4 ways, for example, as 4384836 + 25120144 = 2094^2 + 5012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29504983) 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, 1971 + ... + 7930.

It is an arithmetic number, because the mean of its divisors is an integer number (2599275).

Almost surely, 2^29504980 is an apocalyptic number.

29504980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29504980 is an abundant number, since it is smaller than the sum of its proper divisors (32877620).

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

29504980 is a wasteful number, since it uses less digits than its factorization.

29504980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10059 (or 10057 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 29504980 is about 5431.8486724135. The cubic root of 29504980 is about 309.0047163987.

The spelling of 29504980 in words is "twenty-nine million, five hundred four thousand, nine hundred eighty".