2861023 has 8 divisors (see below), whose sum is σ = 3139200. Its totient is φ = 2585880.

The previous prime is 2861009. The next prime is 2861041. The reversal of 2861023 is 3201682.

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

It is a de Polignac number, because none of the positive numbers 2^k-2861023 is a prime.

It is a Duffinian number.

2861023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2860985 and 2861003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861063) 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, 1536 + ... + 2842.

It is an arithmetic number, because the mean of its divisors is an integer number (392400).

2^2861023 is an apocalyptic number.

2861023 is a deficient number, since it is larger than the sum of its proper divisors (278177).

2861023 is a wasteful number, since it uses less digits than its factorization.

2861023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2861023 is about 1691.4558817776. The cubic root of 2861023 is about 141.9625471549.

The spelling of 2861023 in words is "two million, eight hundred sixty-one thousand, twenty-three".