2977220 has 12 divisors (see below), whose sum is σ = 6252204. Its totient is φ = 1190880.

The previous prime is 2977213. The next prime is 2977231. The reversal of 2977220 is 227792.

It can be written as a sum of positive squares in 2 ways, for example, as 568516 + 2408704 = 754^2 + 1552^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74411 + ... + 74450.

It is an arithmetic number, because the mean of its divisors is an integer number (521017).

2^2977220 is an apocalyptic number.

2977220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2977220 is an abundant number, since it is smaller than the sum of its proper divisors (3274984).

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

2977220 is a wasteful number, since it uses less digits than its factorization.

2977220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148870 (or 148868 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2977220 is about 1725.4622569039. The cubic root of 2977220 is about 143.8589797413.

It can be divided in two parts, 29772 and 20, that added together give a palindrome (29792).

The spelling of 2977220 in words is "two million, nine hundred seventy-seven thousand, two hundred twenty".