29983420 has 24 divisors (see below), whose sum is σ = 63527184. Its totient is φ = 11886336.

The previous prime is 29983399. The next prime is 29983439. The reversal of 29983420 is 2438992.

It is a self number, because there is not a number n which added to its sum of digits gives 29983420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4374 + ... + 8893.

It is an arithmetic number, because the mean of its divisors is an integer number (2646966).

Almost surely, 2^29983420 is an apocalyptic number.

29983420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29983420 is an abundant number, since it is smaller than the sum of its proper divisors (33543764).

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

29983420 is a wasteful number, since it uses less digits than its factorization.

29983420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13389 (or 13387 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 29983420 is about 5475.7118258725. The cubic root of 29983420 is about 310.6659979192.

It can be divided in two parts, 29983 and 420, that added together give a palindrome (30403).

The spelling of 29983420 in words is "twenty-nine million, nine hundred eighty-three thousand, four hundred twenty".