19937416 has 16 divisors (see below), whose sum is σ = 37431900. Its totient is φ = 9955584.

The previous prime is 19937399. The next prime is 19937419. The reversal of 19937416 is 61473991.

It can be written as a sum of positive squares in 2 ways, for example, as 18957316 + 980100 = 4354^2 + 990^2 .

It is not an unprimeable number, because it can be changed into a prime (19937419) 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, 8500 + ... + 10588.

Almost surely, 2^19937416 is an apocalyptic number.

It is an amenable number.

19937416 is a deficient number, since it is larger than the sum of its proper divisors (17494484).

19937416 is a wasteful number, since it uses less digits than its factorization.

19937416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288 (or 3284 counting only the distinct ones).

The product of its digits is 40824, while the sum is 40.

The square root of 19937416 is about 4465.1333686688. The cubic root of 19937416 is about 271.1583339661.

It can be divided in two parts, 1993 and 7416, that added together give a square (9409 = 97²).

The spelling of 19937416 in words is "nineteen million, nine hundred thirty-seven thousand, four hundred sixteen".