1973106 has 32 divisors (see below), whose sum is σ = 4464000. Its totient is φ = 645840.

The previous prime is 1973087. The next prime is 1973113. The reversal of 1973106 is 6013791.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1973106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2995 + ... + 3593.

It is an arithmetic number, because the mean of its divisors is an integer number (139500).

2^1973106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1973106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232000).

1973106 is an abundant number, since it is smaller than the sum of its proper divisors (2490894).

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

1973106 is a wasteful number, since it uses less digits than its factorization.

1973106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1973106 is about 1404.6729156640. The cubic root of 1973106 is about 125.4248159491.

Adding to 1973106 its reverse (6013791), we get a palindrome (7986897).

The spelling of 1973106 in words is "one million, nine hundred seventy-three thousand, one hundred six".