7980266 has 24 divisors (see below), whose sum is σ = 14447520. Its totient is φ = 3238056.

The previous prime is 7980251. The next prime is 7980283. The reversal of 7980266 is 6620897.

It is a super-4 number, since 4×7980266⁴ (a number of 29 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4265 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (601980).

Almost surely, 2^7980266 is an apocalyptic number.

7980266 is a deficient number, since it is larger than the sum of its proper divisors (6467254).

7980266 is a wasteful number, since it uses less digits than its factorization.

7980266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 7980266 is about 2824.9364594624. The cubic root of 7980266 is about 199.8354145954.

The spelling of 7980266 in words is "seven million, nine hundred eighty thousand, two hundred sixty-six".