26938197 has 32 divisors (see below), whose sum is σ = 46892160. Its totient is φ = 15068160.

The previous prime is 26938193. The next prime is 26938201. The reversal of 26938197 is 79183962.

26938197 is a `hidden beast` number, since 269 + 381 + 9 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (26938193) and next prime (26938201).

It is not a de Polignac number, because 26938197 - 2² = 26938193 is a prime.

It is a super-2 number, since 2×26938197² = 1451332915221618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26938193) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 373 + ... + 7349.

It is an arithmetic number, because the mean of its divisors is an integer number (1465380).

Almost surely, 2^26938197 is an apocalyptic number.

26938197 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

26938197 is a deficient number, since it is larger than the sum of its proper divisors (19953963).

26938197 is a wasteful number, since it uses less digits than its factorization.

26938197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010 (or 7004 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 26938197 is about 5190.2020191896. The cubic root of 26938197 is about 299.7709251269.

The spelling of 26938197 in words is "twenty-six million, nine hundred thirty-eight thousand, one hundred ninety-seven".