26198419 has 8 divisors (see below), whose sum is σ = 28692720. Its totient is φ = 23772576.

The previous prime is 26198371. The next prime is 26198429. The reversal of 26198419 is 91489162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26198419 - 2²¹ = 24101267 is a prime.

It is a super-2 number, since 2×26198419² = 1372714316199122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26198429) 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 7 ways as a sum of consecutive naturals, for example, 16312 + ... + 17845.

It is an arithmetic number, because the mean of its divisors is an integer number (3586590).

Almost surely, 2^26198419 is an apocalyptic number.

26198419 is a deficient number, since it is larger than the sum of its proper divisors (2494301).

26198419 is a wasteful number, since it uses less digits than its factorization.

26198419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34229.

The product of its digits is 31104, while the sum is 40.

The square root of 26198419 is about 5118.4391175436. The cubic root of 26198419 is about 297.0013074950.

The spelling of 26198419 in words is "twenty-six million, one hundred ninety-eight thousand, four hundred nineteen".