29028897 has 6 divisors (see below), whose sum is σ = 41930642. Its totient is φ = 19352592.

The previous prime is 29028871. The next prime is 29028907. The reversal of 29028897 is 79882092.

It can be written as a sum of positive squares in only one way, i.e., 27783441 + 1245456 = 5271^2 + 1116^2 .

It is a de Polignac number, because none of the positive numbers 2^k-29028897 is a prime.

It is a super-2 number, since 2×29028897² = 1685353722073218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29028817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1612708 + ... + 1612725.

Almost surely, 2^29028897 is an apocalyptic number.

It is an amenable number.

29028897 is a deficient number, since it is larger than the sum of its proper divisors (12901745).

29028897 is a wasteful number, since it uses less digits than its factorization.

29028897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225439 (or 3225436 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 29028897 is about 5387.8471581885. The cubic root of 29028897 is about 307.3336955193. Note that the first 3 decimals are identical.

The spelling of 29028897 in words is "twenty-nine million, twenty-eight thousand, eight hundred ninety-seven".