890136401 has 36 divisors (see below), whose sum is σ = 1148258160. Its totient is φ = 682305120.

The previous prime is 890136367. The next prime is 890136427. The reversal of 890136401 is 104631098.

It is a happy number.

890136401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 890136401 - 2¹⁰ = 890135377 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (890136451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6403790 + ... + 6403928.

It is an arithmetic number, because the mean of its divisors is an integer number (31896060).

Almost surely, 2^890136401 is an apocalyptic number.

It is an amenable number.

890136401 is a deficient number, since it is larger than the sum of its proper divisors (258121759).

890136401 is a wasteful number, since it uses less digits than its factorization.

890136401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 890136401 is about 29835.1537787222. The cubic root of 890136401 is about 961.9493092268.

Adding to 890136401 its reverse (104631098), we get a palindrome (994767499).

The spelling of 890136401 in words is "eight hundred ninety million, one hundred thirty-six thousand, four hundred one".