29939950 has 12 divisors (see below), whose sum is σ = 55688400. Its totient is φ = 11975960.

The previous prime is 29939947. The next prime is 29939957. The reversal of 29939950 is 5993992.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29939950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29939957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 299350 + ... + 299449.

It is an arithmetic number, because the mean of its divisors is an integer number (4640700).

Almost surely, 2^29939950 is an apocalyptic number.

29939950 is a deficient number, since it is larger than the sum of its proper divisors (25748450).

29939950 is a wasteful number, since it uses less digits than its factorization.

29939950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598811 (or 598806 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 46.

The square root of 29939950 is about 5471.7410391940. The cubic root of 29939950 is about 310.5157906541.

The spelling of 29939950 in words is "twenty-nine million, nine hundred thirty-nine thousand, nine hundred fifty".