29349820 has 24 divisors (see below), whose sum is σ = 65260944. Its totient is φ = 11049216.

The previous prime is 29349811. The next prime is 29349821. The reversal of 29349820 is 2894392.

It is a super-2 number, since 2×29349820² = 1722823868064800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 29349820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29349821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42822 + ... + 43501.

It is an arithmetic number, because the mean of its divisors is an integer number (2719206).

Almost surely, 2^29349820 is an apocalyptic number.

29349820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29349820 is an abundant number, since it is smaller than the sum of its proper divisors (35911124).

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

29349820 is a wasteful number, since it uses less digits than its factorization.

29349820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86349 (or 86347 counting only the distinct ones).

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

The square root of 29349820 is about 5417.5474155747. The cubic root of 29349820 is about 308.4621022088.

The spelling of 29349820 in words is "twenty-nine million, three hundred forty-nine thousand, eight hundred twenty".