29908428 has 48 divisors (see below), whose sum is σ = 78597120. Its totient is φ = 8769600.

The previous prime is 29908427. The next prime is 29908429. The reversal of 29908428 is 82480992.

It is an interprime number because it is at equal distance from previous prime (29908427) and next prime (29908429).

It is a self number, because there is not a number n which added to its sum of digits gives 29908428.

It is not an unprimeable number, because it can be changed into a prime (29908421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (1637440).

Almost surely, 2^29908428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29908428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39298560).

29908428 is an abundant number, since it is smaller than the sum of its proper divisors (48688692).

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

29908428 is a wasteful number, since it uses less digits than its factorization.

29908428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358 (or 7356 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 29908428 is about 5468.8598446111. The cubic root of 29908428 is about 310.4067778261.

The spelling of 29908428 in words is "twenty-nine million, nine hundred eight thousand, four hundred twenty-eight".