29980955 has 8 divisors (see below), whose sum is σ = 37870800. Its totient is φ = 22722336.

The previous prime is 29980939. The next prime is 29980969. The reversal of 29980955 is 55908992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29980955 - 2⁴ = 29980939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157700 + ... + 157889.

It is an arithmetic number, because the mean of its divisors is an integer number (4733850).

Almost surely, 2^29980955 is an apocalyptic number.

29980955 is a deficient number, since it is larger than the sum of its proper divisors (7889845).

29980955 is a wasteful number, since it uses less digits than its factorization.

29980955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315613.

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 29980955 is about 5475.4867363550. The cubic root of 29980955 is about 310.6574841842.

The spelling of 29980955 in words is "twenty-nine million, nine hundred eighty thousand, nine hundred fifty-five".