29430644 has 6 divisors (see below), whose sum is σ = 51503634. Its totient is φ = 14715320.

The previous prime is 29430641. The next prime is 29430647. The reversal of 29430644 is 44603492.

It is an interprime number because it is at equal distance from previous prime (29430641) and next prime (29430647).

It can be written as a sum of positive squares in only one way, i.e., 19254544 + 10176100 = 4388^2 + 3190^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29430644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29430641) by changing a digit.

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 as a sum of consecutive naturals, namely, 3678827 + ... + 3678834.

It is an arithmetic number, because the mean of its divisors is an integer number (8583939).

Almost surely, 2^29430644 is an apocalyptic number.

It is an amenable number.

29430644 is a deficient number, since it is larger than the sum of its proper divisors (22072990).

29430644 is a wasteful number, since it uses less digits than its factorization.

29430644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7357665 (or 7357663 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 29430644 is about 5425.0017511518. The cubic root of 29430644 is about 308.7449919691.

The spelling of 29430644 in words is "twenty-nine million, four hundred thirty thousand, six hundred forty-four".