19939614 has 16 divisors (see below), whose sum is σ = 40023552. Its totient is φ = 6622488.

The previous prime is 19939613. The next prime is 19939631. The reversal of 19939614 is 41693991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19939613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4174 + ... + 7569.

It is an arithmetic number, because the mean of its divisors is an integer number (2501472).

Almost surely, 2^19939614 is an apocalyptic number.

19939614 is an abundant number, since it is smaller than the sum of its proper divisors (20083938).

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

19939614 is a wasteful number, since it uses less digits than its factorization.

19939614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12031.

The product of its digits is 52488, while the sum is 42.

The square root of 19939614 is about 4465.3794911519. The cubic root of 19939614 is about 271.1682982148.

The spelling of 19939614 in words is "nineteen million, nine hundred thirty-nine thousand, six hundred fourteen".