29998051 has 4 divisors (see below), whose sum is σ = 30127032. Its totient is φ = 29869072.

The previous prime is 29997991. The next prime is 29998057. The reversal of 29998051 is 15089992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29998051 - 2¹³ = 29989859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29997989 and 29998007.

It is not an unprimeable number, because it can be changed into a prime (29998057) 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, 64141 + ... + 64606.

It is an arithmetic number, because the mean of its divisors is an integer number (7531758).

Almost surely, 2^29998051 is an apocalyptic number.

29998051 is a deficient number, since it is larger than the sum of its proper divisors (128981).

29998051 is a wasteful number, since it uses less digits than its factorization.

29998051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128980.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 29998051 is about 5477.0476536178. The cubic root of 29998051 is about 310.7165215650.

The spelling of 29998051 in words is "twenty-nine million, nine hundred ninety-eight thousand, fifty-one".