29897385 has 16 divisors (see below), whose sum is σ = 54669696. Its totient is φ = 13667328.

The previous prime is 29897383. The next prime is 29897419. The reversal of 29897385 is 58379892.

It is not a de Polignac number, because 29897385 - 2¹ = 29897383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29897383) 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 in 15 ways as a sum of consecutive naturals, for example, 142264 + ... + 142473.

It is an arithmetic number, because the mean of its divisors is an integer number (3416856).

Almost surely, 2^29897385 is an apocalyptic number.

It is an amenable number.

29897385 is a deficient number, since it is larger than the sum of its proper divisors (24772311).

29897385 is a wasteful number, since it uses less digits than its factorization.

29897385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284752.

The product of its digits is 1088640, while the sum is 51.

The square root of 29897385 is about 5467.8501259636. The cubic root of 29897385 is about 310.3685695991.

The spelling of 29897385 in words is "twenty-nine million, eight hundred ninety-seven thousand, three hundred eighty-five".