2667982 has 4 divisors (see below), whose sum is σ = 4001976. Its totient is φ = 1333990.

The previous prime is 2667979. The next prime is 2667983. The reversal of 2667982 is 2897662.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2667983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666994 + ... + 666997.

It is an arithmetic number, because the mean of its divisors is an integer number (1000494).

2^2667982 is an apocalyptic number.

2667982 is a deficient number, since it is larger than the sum of its proper divisors (1333994).

2667982 is a wasteful number, since it uses less digits than its factorization.

2667982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333993.

The product of its digits is 72576, while the sum is 40.

The square root of 2667982 is about 1633.3958491437. The cubic root of 2667982 is about 138.6950511524.

It can be divided in two parts, 266 and 7982, that multiplied together give a palindrome (2123212).

The spelling of 2667982 in words is "two million, six hundred sixty-seven thousand, nine hundred eighty-two".