973818 has 12 divisors (see below), whose sum is σ = 2109978. Its totient is φ = 324600.

The previous prime is 973813. The next prime is 973823. The reversal of 973818 is 818379.

It is an interprime number because it is at equal distance from previous prime (973813) and next prime (973823).

It can be written as a sum of positive squares in only one way, i.e., 710649 + 263169 = 843^2 + 513^2 .

It is not an unprimeable number, because it can be changed into a prime (973813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27033 + ... + 27068.

2⁹⁷³⁸¹⁸ is an apocalyptic number.

973818 is an abundant number, since it is smaller than the sum of its proper divisors (1136160).

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

973818 is a wasteful number, since it uses less digits than its factorization.

973818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54109 (or 54106 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 973818 is about 986.8221724303. The cubic root of 973818 is about 99.1195372721.

The spelling of 973818 in words is "nine hundred seventy-three thousand, eight hundred eighteen".