893990 has 8 divisors (see below), whose sum is σ = 1609200. Its totient is φ = 357592.

The previous prime is 893989. The next prime is 893999. The reversal of 893990 is 99398.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44690 + ... + 44709.

It is an arithmetic number, because the mean of its divisors is an integer number (201150).

2⁸⁹³⁹⁹⁰ is an apocalyptic number.

893990 is a deficient number, since it is larger than the sum of its proper divisors (715210).

893990 is a wasteful number, since it uses less digits than its factorization.

893990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89406.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 893990 is about 945.5104441517. The cubic root of 893990 is about 96.3335475172. Note that the first 3 decimals are identical.

The spelling of 893990 in words is "eight hundred ninety-three thousand, nine hundred ninety".