1912008 has 64 divisors (see below), whose sum is σ = 5760000. Its totient is φ = 516672.

The previous prime is 1911991. The next prime is 1912019. The reversal of 1912008 is 8002191.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2893 + ... + 3491.

It is an arithmetic number, because the mean of its divisors is an integer number (90000).

2^1912008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1912008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880000).

1912008 is an abundant number, since it is smaller than the sum of its proper divisors (3847992).

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

1912008 is a wasteful number, since it uses less digits than its factorization.

1912008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1912008 is about 1382.7537741767. The cubic root of 1912008 is about 124.1166090029.

Adding to 1912008 its reverse (8002191), we get a palindrome (9914199).

The spelling of 1912008 in words is "one million, nine hundred twelve thousand, eight".