19392101 has 6 divisors (see below), whose sum is σ = 19596306. Its totient is φ = 19190000.

The previous prime is 19392077. The next prime is 19392127. The reversal of 19392101 is 10129391.

It can be written as a sum of positive squares in 3 ways, for example, as 8673025 + 10719076 = 2945^2 + 3274^2 .

It is not a de Polignac number, because 19392101 - 2¹⁴ = 19375717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19392161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9251 + ... + 11151.

It is an arithmetic number, because the mean of its divisors is an integer number (3266051).

Almost surely, 2^19392101 is an apocalyptic number.

It is an amenable number.

19392101 is a deficient number, since it is larger than the sum of its proper divisors (204205).

19392101 is an equidigital number, since it uses as much as digits as its factorization.

19392101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 19392101 is about 4403.6463300315. The cubic root of 19392101 is about 268.6632648896.

The spelling of 19392101 in words is "nineteen million, three hundred ninety-two thousand, one hundred one".