26898840 has 48 divisors (see below), whose sum is σ = 87422400. Its totient is φ = 7172928.

The previous prime is 26898827. The next prime is 26898853. The reversal of 26898840 is 4889862.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26898827) and next prime (26898853).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37000 + ... + 37719.

It is an arithmetic number, because the mean of its divisors is an integer number (1821300).

Almost surely, 2^26898840 is an apocalyptic number.

26898840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26898840 is an abundant number, since it is smaller than the sum of its proper divisors (60523560).

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

26898840 is a wasteful number, since it uses less digits than its factorization.

26898840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74736 (or 74729 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 26898840 is about 5186.4091624167. The cubic root of 26898840 is about 299.6248644399.

The spelling of 26898840 in words is "twenty-six million, eight hundred ninety-eight thousand, eight hundred forty".