890366399 has 8 divisors (see below), whose sum is σ = 959110320. Its totient is φ = 821658816.

The previous prime is 890366383. The next prime is 890366423. The reversal of 890366399 is 993663098.

It is a happy number.

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 890366399 - 2⁴ = 890366383 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 890366399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890366329) 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, 63107 + ... + 75915.

It is an arithmetic number, because the mean of its divisors is an integer number (119888790).

Almost surely, 2^890366399 is an apocalyptic number.

890366399 is a deficient number, since it is larger than the sum of its proper divisors (68743921).

890366399 is a wasteful number, since it uses less digits than its factorization.

890366399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18169.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The square root of 890366399 is about 29839.0080096507. The cubic root of 890366399 is about 962.0321532210.

The spelling of 890366399 in words is "eight hundred ninety million, three hundred sixty-six thousand, three hundred ninety-nine".