19397106 has 24 divisors (see below), whose sum is σ = 42276780. Its totient is φ = 6427296.

The previous prime is 19397093. The next prime is 19397111. The reversal of 19397106 is 60179391.

19397106 is a nontrivial binomial coefficient, being equal to C(6229, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 18275625 + 1121481 = 4275^2 + 1059^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1 + ... + 6228.

Almost surely, 2^19397106 is an apocalyptic number.

19397106 is the 6228-th triangular number.

19397106 is an abundant number, since it is smaller than the sum of its proper divisors (22879674).

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

19397106 is a wasteful number, since it uses less digits than its factorization.

19397106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410 (or 6407 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 19397106 is about 4404.2145724295. The cubic root of 19397106 is about 268.6863764299.

It can be divided in two parts, 19397 and 106, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 19397106 in words is "nineteen million, three hundred ninety-seven thousand, one hundred six".