29738890 has 8 divisors (see below), whose sum is σ = 53530020. Its totient is φ = 11895552.

The previous prime is 29738887. The next prime is 29738897. The reversal of 29738890 is 9883792.

It can be written as a sum of positive squares in 2 ways, for example, as 29387241 + 351649 = 5421^2 + 593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 29738890.

It is not an unprimeable number, because it can be changed into a prime (29738897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1486935 + ... + 1486954.

Almost surely, 2^29738890 is an apocalyptic number.

29738890 is a deficient number, since it is larger than the sum of its proper divisors (23791130).

29738890 is a wasteful number, since it uses less digits than its factorization.

29738890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973896.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 29738890 is about 5453.3375101858. The cubic root of 29738890 is about 309.8191452899.

It can be divided in two parts, 29738 and 890, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 29738890 in words is "twenty-nine million, seven hundred thirty-eight thousand, eight hundred ninety".