2985220 has 24 divisors (see below), whose sum is σ = 7164864. Its totient is φ = 1023456.

The previous prime is 2985211. The next prime is 2985221. The reversal of 2985220 is 225892.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2985221) 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, 10522 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (298536).

2^2985220 is an apocalyptic number.

2985220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2985220 is an abundant number, since it is smaller than the sum of its proper divisors (4179644).

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

2985220 is a wasteful number, since it uses less digits than its factorization.

2985220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21339 (or 21337 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2985220 is about 1727.7789210429. The cubic root of 2985220 is about 143.9877175738.

The spelling of 2985220 in words is "two million, nine hundred eighty-five thousand, two hundred twenty".