29944993 has 4 divisors (see below), whose sum is σ = 32248468. Its totient is φ = 27641520.

The previous prime is 29944991. The next prime is 29944997. The reversal of 29944993 is 39944992.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4613904 + 25331089 = 2148^2 + 5033^2 .

It is a cyclic number.

It is not a de Polignac number, because 29944993 - 2¹ = 29944991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29944991) 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, 1151718 + ... + 1151743.

It is an arithmetic number, because the mean of its divisors is an integer number (8062117).

Almost surely, 2^29944993 is an apocalyptic number.

It is an amenable number.

29944993 is a deficient number, since it is larger than the sum of its proper divisors (2303475).

29944993 is a wasteful number, since it uses less digits than its factorization.

29944993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303474.

The product of its digits is 629856, while the sum is 49.

The square root of 29944993 is about 5472.2018420376. The cubic root of 29944993 is about 310.5332238075.

Subtracting 29944993 from its reverse (39944992), we obtain a palindrome (9999999).

The spelling of 29944993 in words is "twenty-nine million, nine hundred forty-four thousand, nine hundred ninety-three".