26630685 has 24 divisors (see below), whose sum is σ = 48590880. Its totient is φ = 13455072.

The previous prime is 26630677. The next prime is 26630693. The reversal of 26630685 is 58603662.

It is an interprime number because it is at equal distance from previous prime (26630677) and next prime (26630693).

It is not a de Polignac number, because 26630685 - 2³ = 26630677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14719 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (2024620).

Almost surely, 2^26630685 is an apocalyptic number.

It is an amenable number.

26630685 is a deficient number, since it is larger than the sum of its proper divisors (21960195).

26630685 is a wasteful number, since it uses less digits than its factorization.

26630685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31177 (or 31174 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 26630685 is about 5160.4927090347. The cubic root of 26630685 is about 298.6258822779.

The spelling of 26630685 in words is "twenty-six million, six hundred thirty thousand, six hundred eighty-five".