26939740 has 12 divisors (see below), whose sum is σ = 56573496. Its totient is φ = 10775888.

The previous prime is 26939723. The next prime is 26939749. The reversal of 26939740 is 4793962.

It is a junction number, because it is equal to n+sod(n) for n = 26939693 and 26939702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26939749) 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, 673474 + ... + 673513.

It is an arithmetic number, because the mean of its divisors is an integer number (4714458).

Almost surely, 2^26939740 is an apocalyptic number.

26939740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26939740 is an abundant number, since it is smaller than the sum of its proper divisors (29633756).

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

26939740 is a wasteful number, since it uses less digits than its factorization.

26939740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346996 (or 1346994 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 26939740 is about 5190.3506625275. The cubic root of 26939740 is about 299.7766485699.

The spelling of 26939740 in words is "twenty-six million, nine hundred thirty-nine thousand, seven hundred forty".