1858685348 has 24 divisors (see below), whose sum is σ = 3514891128. Its totient is φ = 854919936.

The previous prime is 1858685341. The next prime is 1858685369. The reversal of 1858685348 is 8435868581.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 281165824 + 1577519524 = 16768^2 + 39718^2 .

It is a super-2 number, since 2×1858685348² = 6909422445739762208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1858685293 and 1858685302.

It is not an unprimeable number, because it can be changed into a prime (1858685341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45761 + ... + 76232.

It is an arithmetic number, because the mean of its divisors is an integer number (146453797).

Almost surely, 2^1858685348 is an apocalyptic number.

It is an amenable number.

1858685348 is a deficient number, since it is larger than the sum of its proper divisors (1656205780).

1858685348 is a wasteful number, since it uses less digits than its factorization.

1858685348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122303 (or 122301 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 56.

The square root of 1858685348 is about 43112.4732299134. The cubic root of 1858685348 is about 1229.5191343040.

The spelling of 1858685348 in words is "one billion, eight hundred fifty-eight million, six hundred eighty-five thousand, three hundred forty-eight".