1858798472 has 16 divisors (see below), whose sum is σ = 3516091740. Its totient is φ = 921174016.

The previous prime is 1858798463. The next prime is 1858798511. The reversal of 1858798472 is 2748978581.

It can be written as a sum of positive squares in 2 ways, for example, as 1857092836 + 1705636 = 43094^2 + 1306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027193 + ... + 1029000.

Almost surely, 2^1858798472 is an apocalyptic number.

It is an amenable number.

1858798472 is a deficient number, since it is larger than the sum of its proper divisors (1657293268).

1858798472 is a wasteful number, since it uses less digits than its factorization.

1858798472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056312 (or 2056308 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 59.

The square root of 1858798472 is about 43113.7851736541. The cubic root of 1858798472 is about 1229.5440776152.

The spelling of 1858798472 in words is "one billion, eight hundred fifty-eight million, seven hundred ninety-eight thousand, four hundred seventy-two".