1858130 has 8 divisors (see below), whose sum is σ = 3344652. Its totient is φ = 743248.

The previous prime is 1858093. The next prime is 1858133. The reversal of 1858130 is 318581.

It can be written as a sum of positive squares in 2 ways, for example, as 1857769 + 361 = 1363^2 + 19^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1858130.

It is not an unprimeable number, because it can be changed into a prime (1858133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92897 + ... + 92916.

2^1858130 is an apocalyptic number.

1858130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1858130 is a deficient number, since it is larger than the sum of its proper divisors (1486522).

1858130 is a wasteful number, since it uses less digits than its factorization.

1858130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185820.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1858130 is about 1363.1324220339. The cubic root of 1858130 is about 122.9396667994.

The spelling of 1858130 in words is "one million, eight hundred fifty-eight thousand, one hundred thirty".