1858241 has 8 divisors (see below), whose sum is σ = 2316864. Its totient is φ = 1447920.

The previous prime is 1858217. The next prime is 1858249. The reversal of 1858241 is 1428581.

1858241 = 406² + 407² + ... + 416².

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

It is a cyclic number.

It is not a de Polignac number, because 1858241 - 2¹⁰ = 1857217 is a prime.

It is a super-2 number, since 2×1858241² = 6906119228162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1858249) 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, 11990 + ... + 12143.

It is an arithmetic number, because the mean of its divisors is an integer number (289608).

2^1858241 is an apocalyptic number.

1858241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1858241 is a deficient number, since it is larger than the sum of its proper divisors (458623).

1858241 is a wasteful number, since it uses less digits than its factorization.

1858241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24151.

The product of its digits is 2560, while the sum is 29.

The square root of 1858241 is about 1363.1731364724. The cubic root of 1858241 is about 122.9421147859.

The spelling of 1858241 in words is "one million, eight hundred fifty-eight thousand, two hundred forty-one".