1872242808 has 64 divisors (see below), whose sum is σ = 4776913440. Its totient is φ = 611280384.

The previous prime is 1872242797. The next prime is 1872242831. The reversal of 1872242808 is 8082422781.

It is a self number, because there is not a number n which added to its sum of digits gives 1872242808.

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, 1287810 + ... + 1289262.

Almost surely, 2^1872242808 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 1872242808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2388456720).

1872242808 is an abundant number, since it is smaller than the sum of its proper divisors (2904670632).

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

1872242808 is a wasteful number, since it uses less digits than its factorization.

1872242808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The square root of 1872242808 is about 43269.4211655298. The cubic root of 1872242808 is about 1232.5013121894.

The spelling of 1872242808 in words is "one billion, eight hundred seventy-two million, two hundred forty-two thousand, eight hundred eight".