29894389 has 8 divisors (see below), whose sum is σ = 35343360. Its totient is φ = 24740016.

The previous prime is 29894387. The next prime is 29894399. The reversal of 29894389 is 98349892.

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

It is not a de Polignac number, because 29894389 - 2¹ = 29894387 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29894387) 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 7 ways as a sum of consecutive naturals, for example, 73429 + ... + 73834.

It is an arithmetic number, because the mean of its divisors is an integer number (4417920).

Almost surely, 2^29894389 is an apocalyptic number.

29894389 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

29894389 is a deficient number, since it is larger than the sum of its proper divisors (5448971).

29894389 is a wasteful number, since it uses less digits than its factorization.

29894389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147299.

The product of its digits is 1119744, while the sum is 52.

The square root of 29894389 is about 5467.5761540193. The cubic root of 29894389 is about 310.3582019667.

The spelling of 29894389 in words is "twenty-nine million, eight hundred ninety-four thousand, three hundred eighty-nine".