2720846 has 4 divisors (see below), whose sum is σ = 4081272. Its totient is φ = 1360422.

The previous prime is 2720843. The next prime is 2720849. The reversal of 2720846 is 6480272.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2720843) and next prime (2720849).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680210 + ... + 680213.

It is an arithmetic number, because the mean of its divisors is an integer number (1020318).

2^2720846 is an apocalyptic number.

2720846 is a deficient number, since it is larger than the sum of its proper divisors (1360426).

2720846 is a wasteful number, since it uses less digits than its factorization.

2720846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360425.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2720846 is about 1649.4987117303. The cubic root of 2720846 is about 139.6051117030.

The spelling of 2720846 in words is "two million, seven hundred twenty thousand, eight hundred forty-six".