29303980 has 48 divisors (see below), whose sum is σ = 63221760. Its totient is φ = 11406528.

The previous prime is 29303969. The next prime is 29303987. The reversal of 29303980 is 8930392.

It is not an unprimeable number, because it can be changed into a prime (29303987) 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, 210751 + ... + 210889.

It is an arithmetic number, because the mean of its divisors is an integer number (1317120).

Almost surely, 2^29303980 is an apocalyptic number.

29303980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29303980 is an abundant number, since it is smaller than the sum of its proper divisors (33917780).

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

29303980 is a wasteful number, since it uses less digits than its factorization.

29303980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 29303980 is about 5413.3150656506. The cubic root of 29303980 is about 308.3014280760.

The spelling of 29303980 in words is "twenty-nine million, three hundred three thousand, nine hundred eighty".