973890 has 32 divisors (see below), whose sum is σ = 2597760. Its totient is φ = 259632.

The previous prime is 973853. The next prime is 973891. The reversal of 973890 is 98379.

973890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (973891) by changing a digit.

973890 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1534 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (81180).

2⁹⁷³⁸⁹⁰ is an apocalyptic number.

973890 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

973890 is an abundant number, since it is smaller than the sum of its proper divisors (1623870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

973890 is a wasteful number, since it uses less digits than its factorization.

973890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623 (or 3617 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 973890 is about 986.8586524928. The cubic root of 973890 is about 99.1219800389.

The spelling of 973890 in words is "nine hundred seventy-three thousand, eight hundred ninety".