29806420 has 24 divisors (see below), whose sum is σ = 71535744. Its totient is φ = 10219296.

The previous prime is 29806417. The next prime is 29806429. The reversal of 29806420 is 2460892.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29806429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106312 + ... + 106591.

It is an arithmetic number, because the mean of its divisors is an integer number (2980656).

Almost surely, 2^29806420 is an apocalyptic number.

29806420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29806420 is an abundant number, since it is smaller than the sum of its proper divisors (41729324).

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

29806420 is a wasteful number, since it uses less digits than its factorization.

29806420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212919 (or 212917 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 29806420 is about 5459.5256204179. The cubic root of 29806420 is about 310.0534767266.

The spelling of 29806420 in words is "twenty-nine million, eight hundred six thousand, four hundred twenty".