29899470 has 16 divisors (see below), whose sum is σ = 71758800. Its totient is φ = 7973184.

The previous prime is 29899459. The next prime is 29899511. The reversal of 29899470 is 7499892.

It is a happy number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 498295 + ... + 498354.

It is an arithmetic number, because the mean of its divisors is an integer number (4484925).

Almost surely, 2^29899470 is an apocalyptic number.

29899470 is an abundant number, since it is smaller than the sum of its proper divisors (41859330).

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

29899470 is a wasteful number, since it uses less digits than its factorization.

29899470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996659.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 29899470 is about 5468.0407825838. The cubic root of 29899470 is about 310.3757843151.

The spelling of 29899470 in words is "twenty-nine million, eight hundred ninety-nine thousand, four hundred seventy".