1914474384 has 30 divisors (see below), whose sum is σ = 5357869686. Its totient is φ = 638158080.

The previous prime is 1914474349. The next prime is 1914474389. The reversal of 1914474384 is 4834744191.

1914474384 is a `hidden beast` number, since 1 + 91 + 447 + 43 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1045875600 + 868598784 = 32340^2 + 29472^2 .

It is not an unprimeable number, because it can be changed into a prime (1914474389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6647337 + ... + 6647624.

Almost surely, 2^1914474384 is an apocalyptic number.

It is an amenable number.

1914474384 is an abundant number, since it is smaller than the sum of its proper divisors (3443395302).

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

1914474384 is a wasteful number, since it uses less digits than its factorization.

1914474384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294975 (or 13294966 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1914474384 is about 43754.7069925054. The cubic root of 1914474384 is about 1241.6995391344.

It can be divided in two parts, 19144 and 74384, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 1914474384 in words is "one billion, nine hundred fourteen million, four hundred seventy-four thousand, three hundred eighty-four".