26434009 has 8 divisors (see below), whose sum is σ = 30259008. Its totient is φ = 22621200.

The previous prime is 26434003. The next prime is 26434019. The reversal of 26434009 is 90043462.

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

It is not a de Polignac number, because 26434009 - 2⁹ = 26433497 is a prime.

It is a super-4 number, since 4×26434009⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26434003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2214 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (3782376).

Almost surely, 2^26434009 is an apocalyptic number.

It is an amenable number.

26434009 is a deficient number, since it is larger than the sum of its proper divisors (3824999).

26434009 is an equidigital number, since it uses as much as digits as its factorization.

26434009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 26434009 is about 5141.4014626364. The cubic root of 26434009 is about 297.8889163017. Note that the first 3 decimals are identical.

The spelling of 26434009 in words is "twenty-six million, four hundred thirty-four thousand, nine".