29089397 has 8 divisors (see below), whose sum is σ = 30857112. Its totient is φ = 27328000.

The previous prime is 29089367. The next prime is 29089429. The reversal of 29089397 is 79398092.

It can be written as a sum of positive squares in 4 ways, for example, as 6895876 + 22193521 = 2626^2 + 4711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29089397 - 2¹⁴ = 29073013 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 (29089327) 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, 10697 + ... + 13137.

It is an arithmetic number, because the mean of its divisors is an integer number (3857139).

Almost surely, 2^29089397 is an apocalyptic number.

It is an amenable number.

29089397 is a deficient number, since it is larger than the sum of its proper divisors (1767715).

29089397 is a wasteful number, since it uses less digits than its factorization.

29089397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 29089397 is about 5393.4587233055. The cubic root of 29089397 is about 307.5470551737.

The spelling of 29089397 in words is "twenty-nine million, eighty-nine thousand, three hundred ninety-seven".