236490001 has 4 divisors (see below), whose sum is σ = 257989104. Its totient is φ = 214990900.

The previous prime is 236489993. The next prime is 236490019. The reversal of 236490001 is 100094632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 236490001 - 2³ = 236489993 is a prime.

It is a super-4 number, since 4×236490001⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (236490031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10749535 + ... + 10749556.

It is an arithmetic number, because the mean of its divisors is an integer number (64497276).

Almost surely, 2^236490001 is an apocalyptic number.

It is an amenable number.

236490001 is a deficient number, since it is larger than the sum of its proper divisors (21499103).

236490001 is a wasteful number, since it uses less digits than its factorization.

236490001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21499102.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 236490001 is about 15378.2314002619. The cubic root of 236490001 is about 618.4020601233.

The spelling of 236490001 in words is "two hundred thirty-six million, four hundred ninety thousand, one".