29042989 has 4 divisors (see below), whose sum is σ = 29055040. Its totient is φ = 29030940.

The previous prime is 29042969. The next prime is 29043011. The reversal of 29042989 is 98924092.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29042989 - 2¹⁵ = 29010221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29042969) 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, 1029 + ... + 7690.

It is an arithmetic number, because the mean of its divisors is an integer number (7263760).

Almost surely, 2^29042989 is an apocalyptic number.

It is an amenable number.

29042989 is a deficient number, since it is larger than the sum of its proper divisors (12051).

29042989 is an equidigital number, since it uses as much as digits as its factorization.

29042989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12050.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 29042989 is about 5389.1547574736. The cubic root of 29042989 is about 307.3834189129.

The spelling of 29042989 in words is "twenty-nine million, forty-two thousand, nine hundred eighty-nine".