890164673 has 4 divisors (see below), whose sum is σ = 895137840. Its totient is φ = 885191508.

The previous prime is 890164669. The next prime is 890164771. The reversal of 890164673 is 376461098.

890164673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 890164673 - 2² = 890164669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890164663) 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, 2486315 + ... + 2486672.

It is an arithmetic number, because the mean of its divisors is an integer number (223784460).

Almost surely, 2^890164673 is an apocalyptic number.

It is an amenable number.

890164673 is a deficient number, since it is larger than the sum of its proper divisors (4973167).

890164673 is a wasteful number, since it uses less digits than its factorization.

890164673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973166.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 890164673 is about 29835.6275784506. The cubic root of 890164673 is about 961.9594934124.

The spelling of 890164673 in words is "eight hundred ninety million, one hundred sixty-four thousand, six hundred seventy-three".