29089540 has 12 divisors (see below), whose sum is σ = 61088076. Its totient is φ = 11635808.

The previous prime is 29089531. The next prime is 29089553. The reversal of 29089540 is 4598092.

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 17960644 = 3336^2 + 4238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29089540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727219 + ... + 727258.

It is an arithmetic number, because the mean of its divisors is an integer number (5090673).

Almost surely, 2^29089540 is an apocalyptic number.

29089540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29089540 is an abundant number, since it is smaller than the sum of its proper divisors (31998536).

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

29089540 is a wasteful number, since it uses less digits than its factorization.

29089540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454486 (or 1454484 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 29089540 is about 5393.4719800885. The cubic root of 29089540 is about 307.5475591277.

The spelling of 29089540 in words is "twenty-nine million, eighty-nine thousand, five hundred forty".