19401292 has 12 divisors (see below), whose sum is σ = 34289136. Its totient is φ = 9604400.

The previous prime is 19401289. The next prime is 19401293. The reversal of 19401292 is 29210491.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19401292.

It is not an unprimeable number, because it can be changed into a prime (19401293) 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, 23608 + ... + 24415.

It is an arithmetic number, because the mean of its divisors is an integer number (2857428).

Almost surely, 2^19401292 is an apocalyptic number.

It is an amenable number.

19401292 is a deficient number, since it is larger than the sum of its proper divisors (14887844).

19401292 is a wasteful number, since it uses less digits than its factorization.

19401292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48128 (or 48126 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 19401292 is about 4404.6897734120. The cubic root of 19401292 is about 268.7057030290.

The spelling of 19401292 in words is "nineteen million, four hundred one thousand, two hundred ninety-two".