2679851 has 4 divisors (see below), whose sum is σ = 2687232. Its totient is φ = 2672472.

The previous prime is 2679847. The next prime is 2679869. The reversal of 2679851 is 1589762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1589762 = 2 ⋅794881.

It is a cyclic number.

It is not a de Polignac number, because 2679851 - 2² = 2679847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2679811) 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, 3116 + ... + 3881.

It is an arithmetic number, because the mean of its divisors is an integer number (671808).

2^2679851 is an apocalyptic number.

2679851 is a deficient number, since it is larger than the sum of its proper divisors (7381).

2679851 is an equidigital number, since it uses as much as digits as its factorization.

2679851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380.

The product of its digits is 30240, while the sum is 38.

The square root of 2679851 is about 1637.0250456239. The cubic root of 2679851 is about 138.9004169157.

The spelling of 2679851 in words is "two million, six hundred seventy-nine thousand, eight hundred fifty-one".