29951444 has 12 divisors (see below), whose sum is σ = 52552500. Its totient is φ = 14936448.

The previous prime is 29951423. The next prime is 29951489. The reversal of 29951444 is 44415992.

It can be written as a sum of positive squares in 2 ways, for example, as 15602500 + 14348944 = 3950^2 + 3788^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29951398 and 29951407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8069 + ... + 11180.

It is an arithmetic number, because the mean of its divisors is an integer number (4379375).

Almost surely, 2^29951444 is an apocalyptic number.

It is an amenable number.

29951444 is a deficient number, since it is larger than the sum of its proper divisors (22601056).

29951444 is a wasteful number, since it uses less digits than its factorization.

29951444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19642 (or 19640 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 29951444 is about 5472.7912439632. The cubic root of 29951444 is about 310.5555214249. Note that the first 4 decimals are identical.

The spelling of 29951444 in words is "twenty-nine million, nine hundred fifty-one thousand, four hundred forty-four".