326890001 has 8 divisors (see below), whose sum is σ = 339251880. Its totient is φ = 314600832.

The previous prime is 326889989. The next prime is 326890027. The reversal of 326890001 is 100098623.

It can be written as a sum of positive squares in 4 ways, for example, as 148225 + 326741776 = 385^2 + 18076^2 .

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 326890001 - 2¹⁸ = 326627857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a house number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326890901) 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, 8930 + ... + 27083.

It is an arithmetic number, because the mean of its divisors is an integer number (42406485).

Almost surely, 2^326890001 is an apocalyptic number.

It is an amenable number.

326890001 is a deficient number, since it is larger than the sum of its proper divisors (12361879).

326890001 is a wasteful number, since it uses less digits than its factorization.

326890001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36355.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 326890001 is about 18080.0995849027. The cubic root of 326890001 is about 688.8646181076.

The spelling of 326890001 in words is "three hundred twenty-six million, eight hundred ninety thousand, one".