2845980 has 72 divisors (see below), whose sum is σ = 8775312. Its totient is φ = 746496.

The previous prime is 2845979. The next prime is 2845981. The reversal of 2845980 is 895482.

It is an interprime number because it is at equal distance from previous prime (2845979) and next prime (2845981).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2845981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17379 + ... + 17541.

2^2845980 is an apocalyptic number.

2845980 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 2845980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4387656).

2845980 is an abundant number, since it is smaller than the sum of its proper divisors (5929332).

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

2845980 is a wasteful number, since it uses less digits than its factorization.

2845980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2845980 is about 1687.0032602221. The cubic root of 2845980 is about 141.7133010638.

The spelling of 2845980 in words is "two million, eight hundred forty-five thousand, nine hundred eighty".