26886998 has 4 divisors (see below), whose sum is σ = 40330500. Its totient is φ = 13443498.

The previous prime is 26886991. The next prime is 26887001. The reversal of 26886998 is 89968862.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×26886998² = 1445821322904008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26886991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721748 + ... + 6721751.

It is an arithmetic number, because the mean of its divisors is an integer number (10082625).

Almost surely, 2^26886998 is an apocalyptic number.

26886998 is a deficient number, since it is larger than the sum of its proper divisors (13443502).

26886998 is a wasteful number, since it uses less digits than its factorization.

26886998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443501.

The product of its digits is 2985984, while the sum is 56.

The square root of 26886998 is about 5185.2673990837. The cubic root of 26886998 is about 299.5808888328.

The spelling of 26886998 in words is "twenty-six million, eight hundred eighty-six thousand, nine hundred ninety-eight".