2078667 has 12 divisors (see below), whose sum is σ = 3045744. Its totient is φ = 1365840.

The previous prime is 2078651. The next prime is 2078677. The reversal of 2078667 is 7668702.

It is not a de Polignac number, because 2078667 - 2⁴ = 2078651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2078627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 988 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (253812).

2^2078667 is an apocalyptic number.

2078667 is a deficient number, since it is larger than the sum of its proper divisors (967077).

2078667 is a wasteful number, since it uses less digits than its factorization.

2078667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330 (or 3327 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2078667 is about 1441.7583015194. The cubic root of 2078667 is about 127.6228113094.

It can be divided in two parts, 20 and 78667, that added together give a palindrome (78687).

The spelling of 2078667 in words is "two million, seventy-eight thousand, six hundred sixty-seven".