29840223 has 16 divisors (see below), whose sum is σ = 47448576. Its totient is φ = 16309920.

The previous prime is 29840189. The next prime is 29840257. The reversal of 29840223 is 32204892.

It is an interprime number because it is at equal distance from previous prime (29840189) and next prime (29840257).

It is not a de Polignac number, because 29840223 - 2⁸ = 29839967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29840123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30408 + ... + 31373.

It is an arithmetic number, because the mean of its divisors is an integer number (2965536).

Almost surely, 2^29840223 is an apocalyptic number.

29840223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

29840223 is a deficient number, since it is larger than the sum of its proper divisors (17608353).

29840223 is a wasteful number, since it uses less digits than its factorization.

29840223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61814.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 29840223 is about 5462.6205249862. The cubic root of 29840223 is about 310.1706413973.

The spelling of 29840223 in words is "twenty-nine million, eight hundred forty thousand, two hundred twenty-three".