29955992 has 16 divisors (see below), whose sum is σ = 61273800. Its totient is φ = 13616320.

The previous prime is 29955983. The next prime is 29955997.

29955992 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×29955992² = 1794722913408128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29955992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29955997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170117 + ... + 170292.

Almost surely, 2^29955992 is an apocalyptic number.

29955992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29955992 is an abundant number, since it is smaller than the sum of its proper divisors (31317808).

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

29955992 is a wasteful number, since it uses less digits than its factorization.

29955992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340426 (or 340422 counting only the distinct ones).

The product of its digits is 656100, while the sum is 50.

The square root of 29955992 is about 5473.2067382842. The cubic root of 29955992 is about 310.5712394765.

The spelling of 29955992 in words is "twenty-nine million, nine hundred fifty-five thousand, nine hundred ninety-two".