890407 has 8 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 756600.

The previous prime is 890377. The next prime is 890419. The reversal of 890407 is 704098.

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 890407 - 2¹¹ = 888359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890437) 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 7 ways as a sum of consecutive naturals, for example, 432 + ... + 1402.

It is an arithmetic number, because the mean of its divisors is an integer number (128304).

2⁸⁹⁰⁴⁰⁷ is an apocalyptic number.

890407 is a deficient number, since it is larger than the sum of its proper divisors (136025).

890407 is a wasteful number, since it uses less digits than its factorization.

890407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 890407 is about 943.6137981187. The cubic root of 890407 is about 96.2046775993.

The spelling of 890407 in words is "eight hundred ninety thousand, four hundred seven".