19102842 has 24 divisors (see below), whose sum is σ = 45152640. Its totient is φ = 5788680.

The previous prime is 19102829. The next prime is 19102861. The reversal of 19102842 is 24820191.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48042 + ... + 48437.

It is an arithmetic number, because the mean of its divisors is an integer number (1881360).

Almost surely, 2^19102842 is an apocalyptic number.

19102842 is an abundant number, since it is smaller than the sum of its proper divisors (26049798).

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

19102842 is a wasteful number, since it uses less digits than its factorization.

19102842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96498 (or 96495 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 19102842 is about 4370.6798098236. The cubic root of 19102842 is about 267.3207440266.

The spelling of 19102842 in words is "nineteen million, one hundred two thousand, eight hundred forty-two".