26998416 has 45 divisors (see below), whose sum is σ = 75732969. Its totient is φ = 8978688.

The previous prime is 26998403. The next prime is 26998421. The reversal of 26998416 is 61489962.

It is a happy number.

The square root of 26998416 is 5196.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3027600 + 23970816 = 1740^2 + 4896^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62136 + ... + 62568.

Almost surely, 2^26998416 is an apocalyptic number.

26998416 is the 5196-th square number.

It is an amenable number.

26998416 is an abundant number, since it is smaller than the sum of its proper divisors (48734553).

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

26998416 is an equidigital number, since it uses as much as digits as its factorization.

26998416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 438 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The cubic root of 26998416 is about 299.9941332186.

Multiplying 26998416 by its product of digits (186624), we get a square (5038552387584 = 2244672²).

The spelling of 26998416 in words is "twenty-six million, nine hundred ninety-eight thousand, four hundred sixteen".