29240628 has 12 divisors (see below), whose sum is σ = 68228160. Its totient is φ = 9746872.

The previous prime is 29240621. The next prime is 29240647. The reversal of 29240628 is 82604292.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29240621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218348 + ... + 1218371.

It is an arithmetic number, because the mean of its divisors is an integer number (5685680).

Almost surely, 2^29240628 is an apocalyptic number.

It is an amenable number.

29240628 is an abundant number, since it is smaller than the sum of its proper divisors (38987532).

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

29240628 is a wasteful number, since it uses less digits than its factorization.

29240628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436726 (or 2436724 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 29240628 is about 5407.4604020742. The cubic root of 29240628 is about 308.0790964564.

The spelling of 29240628 in words is "twenty-nine million, two hundred forty thousand, six hundred twenty-eight".