29640396 has 24 divisors (see below), whose sum is σ = 69464304. Its totient is φ = 9836800.

The previous prime is 29640343. The next prime is 29640397. The reversal of 29640396 is 69304692.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (29640397) 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 7 ways as a sum of consecutive naturals, for example, 2505 + ... + 8096.

It is an arithmetic number, because the mean of its divisors is an integer number (2894346).

Almost surely, 2^29640396 is an apocalyptic number.

It is an amenable number.

29640396 is an abundant number, since it is smaller than the sum of its proper divisors (39823908).

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

29640396 is a wasteful number, since it uses less digits than its factorization.

29640396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10841 (or 10839 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 29640396 is about 5444.2994039637. The cubic root of 29640396 is about 309.4767308339.

The spelling of 29640396 in words is "twenty-nine million, six hundred forty thousand, three hundred ninety-six".