19929102 has 8 divisors (see below), whose sum is σ = 39858216. Its totient is φ = 6643032.

The previous prime is 19929089. The next prime is 19929103. The reversal of 19929102 is 20192991.

It is a sphenic number, since it is the product of 3 distinct primes.

19929102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19929103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660753 + ... + 1660764.

It is an arithmetic number, because the mean of its divisors is an integer number (4982277).

Almost surely, 2^19929102 is an apocalyptic number.

19929102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19929102 is a wasteful number, since it uses less digits than its factorization.

19929102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321522.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 19929102 is about 4464.2022803632. The cubic root of 19929102 is about 271.1206372751.

The spelling of 19929102 in words is "nineteen million, nine hundred twenty-nine thousand, one hundred two".