29678364 has 18 divisors (see below), whose sum is σ = 75020400. Its totient is φ = 9892776.

The previous prime is 29678359. The next prime is 29678381. The reversal of 29678364 is 46387692.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 412164 + ... + 412235.

It is an arithmetic number, because the mean of its divisors is an integer number (4167800).

Almost surely, 2^29678364 is an apocalyptic number.

It is an amenable number.

29678364 is an abundant number, since it is smaller than the sum of its proper divisors (45342036).

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

29678364 is a wasteful number, since it uses less digits than its factorization.

29678364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824409 (or 824404 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 29678364 is about 5447.7852380578. The cubic root of 29678364 is about 309.6088163265.

The spelling of 29678364 in words is "twenty-nine million, six hundred seventy-eight thousand, three hundred sixty-four".