29093040 has 80 divisors (see below), whose sum is σ = 100216800. Its totient is φ = 7757568.

The previous prime is 29092997. The next prime is 29093041. The reversal of 29093040 is 4039092.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 29092995 and 29093013.

It is not an unprimeable number, because it can be changed into a prime (29093041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4575 + ... + 8894.

It is an arithmetic number, because the mean of its divisors is an integer number (1252710).

Almost surely, 2^29093040 is an apocalyptic number.

29093040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29093040 is an abundant number, since it is smaller than the sum of its proper divisors (71123760).

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

29093040 is a wasteful number, since it uses less digits than its factorization.

29093040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13491 (or 13479 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 29093040 is about 5393.7964366483. The cubic root of 29093040 is about 307.5598931521.

The spelling of 29093040 in words is "twenty-nine million, ninety-three thousand, forty".