2672638 has 8 divisors (see below), whose sum is σ = 4244832. Its totient is φ = 1257696.

The previous prime is 2672633. The next prime is 2672639. The reversal of 2672638 is 8362762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 78607 = 2672638 / (2 + 6 + 7 + 2 + 6 + 3 + 8).

It is a d-powerful number, because it can be written as 2¹⁰ + 6² + 7⁵ + 2²⁰ + 6⁵ + 3¹³ + 8⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39270 + ... + 39337.

It is an arithmetic number, because the mean of its divisors is an integer number (530604).

2^2672638 is an apocalyptic number.

2672638 is a deficient number, since it is larger than the sum of its proper divisors (1572194).

2672638 is a wasteful number, since it uses less digits than its factorization.

2672638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78626.

The product of its digits is 24192, while the sum is 34.

The square root of 2672638 is about 1634.8204794411. The cubic root of 2672638 is about 138.7756849888.

The spelling of 2672638 in words is "two million, six hundred seventy-two thousand, six hundred thirty-eight".