19082868 has 24 divisors (see below), whose sum is σ = 50887872. Its totient is φ = 5452224.

The previous prime is 19082863. The next prime is 19082909. The reversal of 19082868 is 86828091.

It is a super-2 number, since 2×19082868² = 728311702210848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19082863) 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, 113505 + ... + 113672.

It is an arithmetic number, because the mean of its divisors is an integer number (2120328).

Almost surely, 2^19082868 is an apocalyptic number.

It is an amenable number.

19082868 is an abundant number, since it is smaller than the sum of its proper divisors (31805004).

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

19082868 is a wasteful number, since it uses less digits than its factorization.

19082868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227191 (or 227189 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 19082868 is about 4368.3942129803. The cubic root of 19082868 is about 267.2275410255.

The spelling of 19082868 in words is "nineteen million, eighty-two thousand, eight hundred sixty-eight".