890936321 has 8 divisors (see below), whose sum is σ = 977895264. Its totient is φ = 804971520.

The previous prime is 890936287. The next prime is 890936327. The reversal of 890936321 is 123639098.

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 890936321 - 2²⁶ = 823827457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (890936327) 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, 246656 + ... + 250241.

It is an arithmetic number, because the mean of its divisors is an integer number (122236908).

Almost surely, 2^890936321 is an apocalyptic number.

It is an amenable number.

890936321 is a deficient number, since it is larger than the sum of its proper divisors (86958943).

890936321 is a wasteful number, since it uses less digits than its factorization.

890936321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497071.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 890936321 is about 29848.5564307556. The cubic root of 890936321 is about 962.2373744819.

The spelling of 890936321 in words is "eight hundred ninety million, nine hundred thirty-six thousand, three hundred twenty-one".