29881230 has 32 divisors (see below), whose sum is σ = 71912448. Its totient is φ = 7946400.

The previous prime is 29881219. The next prime is 29881249. The reversal of 29881230 is 3218892.

It is a junction number, because it is equal to n+sod(n) for n = 29881191 and 29881200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11775 + ... + 14085.

It is an arithmetic number, because the mean of its divisors is an integer number (2247264).

Almost surely, 2^29881230 is an apocalyptic number.

29881230 is an abundant number, since it is smaller than the sum of its proper divisors (42031218).

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

29881230 is a wasteful number, since it uses less digits than its factorization.

29881230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 29881230 is about 5466.3726546953. The cubic root of 29881230 is about 310.3126571549.

The spelling of 29881230 in words is "twenty-nine million, eight hundred eighty-one thousand, two hundred thirty".