2058861 has 8 divisors (see below), whose sum is σ = 3137344. Its totient is φ = 1176480.

The previous prime is 2058857. The next prime is 2058869. The reversal of 2058861 is 1688502.

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

It is not a de Polignac number, because 2058861 - 2² = 2058857 is a prime.

2058861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058869) 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, 49000 + ... + 49041.

It is an arithmetic number, because the mean of its divisors is an integer number (392168).

2^2058861 is an apocalyptic number.

2058861 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2058861 is a deficient number, since it is larger than the sum of its proper divisors (1078483).

2058861 is an equidigital number, since it uses as much as digits as its factorization.

2058861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98051.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2058861 is about 1434.8731651265. The cubic root of 2058861 is about 127.2161775832.

The spelling of 2058861 in words is "two million, fifty-eight thousand, eight hundred sixty-one".