29849864 has 32 divisors (see below), whose sum is σ = 61460640. Its totient is φ = 13478400.

The previous prime is 29849857. The next prime is 29849873. The reversal of 29849864 is 46894892.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13304 + ... + 15384.

It is an arithmetic number, because the mean of its divisors is an integer number (1920645).

Almost surely, 2^29849864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29849864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30730320).

29849864 is an abundant number, since it is smaller than the sum of its proper divisors (31610776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29849864 is a wasteful number, since it uses less digits than its factorization.

29849864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2257 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 29849864 is about 5463.5029056458. The cubic root of 29849864 is about 310.2040418756.

The spelling of 29849864 in words is "twenty-nine million, eight hundred forty-nine thousand, eight hundred sixty-four".