29940224 has 20 divisors (see below), whose sum is σ = 59822994. Its totient is φ = 14969856.

The previous prime is 29940193. The next prime is 29940233. The reversal of 29940224 is 42204992.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 7661824 = 4720^2 + 2768^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28727 + ... + 29750.

Almost surely, 2^29940224 is an apocalyptic number.

It is an amenable number.

29940224 is a deficient number, since it is larger than the sum of its proper divisors (29882770).

29940224 is an frugal number, since it uses more digits than its factorization.

29940224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58495 (or 58479 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 29940224 is about 5471.7660768713. The cubic root of 29940224 is about 310.5167378954.

The spelling of 29940224 in words is "twenty-nine million, nine hundred forty thousand, two hundred twenty-four".