2671623 has 10 divisors (see below), whose sum is σ = 3991064. Its totient is φ = 1781028.

The previous prime is 2671619. The next prime is 2671631. The reversal of 2671623 is 3261762.

It is a happy number.

It is not a de Polignac number, because 2671623 - 2² = 2671619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2671663) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16411 + ... + 16572.

2^2671623 is an apocalyptic number.

2671623 is a deficient number, since it is larger than the sum of its proper divisors (1319441).

2671623 is an equidigital number, since it uses as much as digits as its factorization.

2671623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32995 (or 32986 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2671623 is about 1634.5100183235. The cubic root of 2671623 is about 138.7581149381.

The spelling of 2671623 in words is "two million, six hundred seventy-one thousand, six hundred twenty-three".