26678646 has 20 divisors (see below), whose sum is σ = 59780292. Its totient is φ = 8892828.

The previous prime is 26678633. The next prime is 26678647. The reversal of 26678646 is 64687662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26678647) 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, 82180 + ... + 82503.

Almost surely, 2^26678646 is an apocalyptic number.

26678646 is an abundant number, since it is smaller than the sum of its proper divisors (33101646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26678646 is a wasteful number, since it uses less digits than its factorization.

26678646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164697 (or 164688 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 26678646 is about 5165.1375586716. The cubic root of 26678646 is about 298.8050466076.

The spelling of 26678646 in words is "twenty-six million, six hundred seventy-eight thousand, six hundred forty-six".