19854068 has 24 divisors (see below), whose sum is σ = 37632000. Its totient is φ = 9110880.

The previous prime is 19854061. The next prime is 19854137. The reversal of 19854068 is 86045891.

It is a super-2 number, since 2×19854068² = 788368032297248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19854061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8933 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (1568000).

Almost surely, 2^19854068 is an apocalyptic number.

It is an amenable number.

19854068 is a deficient number, since it is larger than the sum of its proper divisors (17777932).

19854068 is a wasteful number, since it uses less digits than its factorization.

19854068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 19854068 is about 4455.7903900431. The cubic root of 19854068 is about 270.7799487258.

The spelling of 19854068 in words is "nineteen million, eight hundred fifty-four thousand, sixty-eight".