2918980 has 12 divisors (see below), whose sum is σ = 6129900. Its totient is φ = 1167584.

The previous prime is 2918977. The next prime is 2919011. The reversal of 2918980 is 898192.

It can be written as a sum of positive squares in 2 ways, for example, as 2304324 + 614656 = 1518^2 + 784^2 .

It is an Ulam number.

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, 72955 + ... + 72994.

It is an arithmetic number, because the mean of its divisors is an integer number (510825).

2^2918980 is an apocalyptic number.

2918980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2918980 is an abundant number, since it is smaller than the sum of its proper divisors (3210920).

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

2918980 is a wasteful number, since it uses less digits than its factorization.

2918980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145958 (or 145956 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2918980 is about 1708.5022680699. The cubic root of 2918980 is about 142.9147453420.

The spelling of 2918980 in words is "two million, nine hundred eighteen thousand, nine hundred eighty".