2678906 has 8 divisors (see below), whose sum is σ = 4104000. Its totient is φ = 1310908.

The previous prime is 2678903. The next prime is 2678909. The reversal of 2678906 is 6098762.

It is an interprime number because it is at equal distance from previous prime (2678903) and next prime (2678909).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2678906.

It is not an unprimeable number, because it can be changed into a prime (2678903) 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, 14156 + ... + 14343.

It is an arithmetic number, because the mean of its divisors is an integer number (513000).

2^2678906 is an apocalyptic number.

2678906 is a deficient number, since it is larger than the sum of its proper divisors (1425094).

2678906 is a wasteful number, since it uses less digits than its factorization.

2678906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28548.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2678906 is about 1636.7363868381. The cubic root of 2678906 is about 138.8840881067.

The spelling of 2678906 in words is "two million, six hundred seventy-eight thousand, nine hundred six".