2293988 has 6 divisors (see below), whose sum is σ = 4014486. Its totient is φ = 1146992.

The previous prime is 2293981. The next prime is 2294009. The reversal of 2293988 is 8893922.

It can be written as a sum of positive squares in only one way, i.e., 1387684 + 906304 = 1178^2 + 952^2 .

It is not an unprimeable number, because it can be changed into a prime (2293981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286745 + ... + 286752.

It is an arithmetic number, because the mean of its divisors is an integer number (669081).

2^2293988 is an apocalyptic number.

It is an amenable number.

2293988 is a deficient number, since it is larger than the sum of its proper divisors (1720498).

2293988 is a wasteful number, since it uses less digits than its factorization.

2293988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573501 (or 573499 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 2293988 is about 1514.5916941539. The cubic root of 2293988 is about 131.8854991154.

The spelling of 2293988 in words is "two million, two hundred ninety-three thousand, nine hundred eighty-eight".