19899214 has 8 divisors (see below), whose sum is σ = 31604688. Its totient is φ = 9364320.

The previous prime is 19899211. The next prime is 19899263. The reversal of 19899214 is 41299891.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19899211) 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, 292602 + ... + 292669.

It is an arithmetic number, because the mean of its divisors is an integer number (3950586).

Almost surely, 2^19899214 is an apocalyptic number.

19899214 is a deficient number, since it is larger than the sum of its proper divisors (11705474).

19899214 is a wasteful number, since it uses less digits than its factorization.

19899214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585290.

The product of its digits is 46656, while the sum is 43.

The square root of 19899214 is about 4460.8535057767. The cubic root of 19899214 is about 270.9850347804.

The spelling of 19899214 in words is "nineteen million, eight hundred ninety-nine thousand, two hundred fourteen".