29259090 has 128 divisors (see below), whose sum is σ = 90616320. Its totient is φ = 6580224.

The previous prime is 29259089. The next prime is 29259121. The reversal of 29259090 is 9095292.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213502 + ... + 213638.

It is an arithmetic number, because the mean of its divisors is an integer number (707940).

Almost surely, 2^29259090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29259090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45308160).

29259090 is an abundant number, since it is smaller than the sum of its proper divisors (61357230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29259090 is a wasteful number, since it uses less digits than its factorization.

29259090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 29259090 is about 5409.1672187131. The cubic root of 29259090 is about 308.1439213256.

The spelling of 29259090 in words is "twenty-nine million, two hundred fifty-nine thousand, ninety".