1904742888 has 32 divisors (see below), whose sum is σ = 4769100960. Its totient is φ = 633948480.

The previous prime is 1904742871. The next prime is 1904742893. The reversal of 1904742888 is 8882474091.

It is a self number, because there is not a number n which added to its sum of digits gives 1904742888.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44170 + ... + 75897.

It is an arithmetic number, because the mean of its divisors is an integer number (149034405).

Almost surely, 2^1904742888 is an apocalyptic number.

It is an amenable number.

1904742888 is an abundant number, since it is smaller than the sum of its proper divisors (2864358072).

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

1904742888 is a wasteful number, since it uses less digits than its factorization.

1904742888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120737 (or 120733 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The square root of 1904742888 is about 43643.3601822774. The cubic root of 1904742888 is about 1239.5920631750.

The spelling of 1904742888 in words is "one billion, nine hundred four million, seven hundred forty-two thousand, eight hundred eighty-eight".