19481692 has 12 divisors (see below), whose sum is σ = 34652296. Its totient is φ = 9581040.

The previous prime is 19481681. The next prime is 19481699. The reversal of 19481692 is 29618491.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19481699) 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, 39678 + ... + 40165.

Almost surely, 2^19481692 is an apocalyptic number.

It is an amenable number.

19481692 is a deficient number, since it is larger than the sum of its proper divisors (15170604).

19481692 is a wasteful number, since it uses less digits than its factorization.

19481692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79908 (or 79906 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 19481692 is about 4413.8069735773. The cubic root of 19481692 is about 269.0763684536.

The spelling of 19481692 in words is "nineteen million, four hundred eighty-one thousand, six hundred ninety-two".