236390401 has 8 divisors (see below), whose sum is σ = 259991424. Its totient is φ = 213563280.

The previous prime is 236390353. The next prime is 236390411. The reversal of 236390401 is 104093632.

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 236390401 - 2⁹ = 236389889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 236390401.

It is not an unprimeable number, because it can be changed into a prime (236390411) 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, 192835 + ... + 194056.

It is an arithmetic number, because the mean of its divisors is an integer number (32498928).

Almost surely, 2^236390401 is an apocalyptic number.

It is an amenable number.

236390401 is a deficient number, since it is larger than the sum of its proper divisors (23601023).

236390401 is a wasteful number, since it uses less digits than its factorization.

236390401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386951.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 236390401 is about 15374.9927154454. The cubic root of 236390401 is about 618.3152326411.

The spelling of 236390401 in words is "two hundred thirty-six million, three hundred ninety thousand, four hundred one".