29112890 has 16 divisors (see below), whose sum is σ = 52480008. Its totient is φ = 11628096.

The previous prime is 29112887. The next prime is 29112893. The reversal of 29112890 is 9821192.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29112887) and next prime (29112893).

It can be written as a sum of positive squares in 4 ways, for example, as 23319241 + 5793649 = 4829^2 + 2407^2 .

It is not an unprimeable number, because it can be changed into a prime (29112893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6824 + ... + 10236.

Almost surely, 2^29112890 is an apocalyptic number.

29112890 is a deficient number, since it is larger than the sum of its proper divisors (23367118).

29112890 is a wasteful number, since it uses less digits than its factorization.

29112890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 29112890 is about 5395.6361997451. The cubic root of 29112890 is about 307.6298259828.

The spelling of 29112890 in words is "twenty-nine million, one hundred twelve thousand, eight hundred ninety".