2666477 has 6 divisors (see below), whose sum is σ = 2931054. Its totient is φ = 2423960.

The previous prime is 2666453. The next prime is 2666491. The reversal of 2666477 is 7746662.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1771561 + 894916 = 1331^2 + 946^2 .

It is not a de Polignac number, because 2666477 - 2⁸ = 2666221 is a prime.

It is a super-2 number, since 2×2666477² = 14220199183058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2666477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10898 + ... + 11139.

It is an arithmetic number, because the mean of its divisors is an integer number (488509).

2^2666477 is an apocalyptic number.

It is an amenable number.

2666477 is a deficient number, since it is larger than the sum of its proper divisors (264577).

2666477 is a wasteful number, since it uses less digits than its factorization.

2666477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22059 (or 22048 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 2666477 is about 1632.9350875035. The cubic root of 2666477 is about 138.6689671041.

The spelling of 2666477 in words is "two million, six hundred sixty-six thousand, four hundred seventy-seven".