2860920 has 80 divisors (see below), whose sum is σ = 9626760. Its totient is φ = 762048.

The previous prime is 2860903. The next prime is 2860931. The reversal of 2860920 is 290682.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2799 + ... + 3681.

2^2860920 is an apocalyptic number.

2860920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2860920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4813380).

2860920 is an abundant number, since it is smaller than the sum of its proper divisors (6765840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2860920 is a wasteful number, since it uses less digits than its factorization.

2860920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2860920 is about 1691.4254343600. The cubic root of 2860920 is about 141.9608435314.

The spelling of 2860920 in words is "two million, eight hundred sixty thousand, nine hundred twenty".