1874396556 has 144 divisors (see below), whose sum is σ = 5037527040. Its totient is φ = 586776960.

The previous prime is 1874396543. The next prime is 1874396603. The reversal of 1874396556 is 6556934781.

1874396556 is a `hidden beast` number, since 1 + 87 + 4 + 3 + 9 + 6 + 556 = 666.

1874396556 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1874396556² = 7026724898289322272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8883291 + ... + 8883501.

Almost surely, 2^1874396556 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 1874396556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2518763520).

1874396556 is an abundant number, since it is smaller than the sum of its proper divisors (3163130484).

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

1874396556 is a wasteful number, since it uses less digits than its factorization.

1874396556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 439 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 1874396556 is about 43294.3016573775. The cubic root of 1874396556 is about 1232.9737366708.

The spelling of 1874396556 in words is "one billion, eight hundred seventy-four million, three hundred ninety-six thousand, five hundred fifty-six".