7391982 has 32 divisors (see below), whose sum is σ = 16101792. Its totient is φ = 2248704.

The previous prime is 7391953. The next prime is 7391983. The reversal of 7391982 is 2891937.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 7391982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7391983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7078 + ... + 8054.

It is an arithmetic number, because the mean of its divisors is an integer number (503181).

Almost surely, 2^7391982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7391982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8050896).

7391982 is an abundant number, since it is smaller than the sum of its proper divisors (8709810).

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

7391982 is a wasteful number, since it uses less digits than its factorization.

7391982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092.

The product of its digits is 27216, while the sum is 39.

The square root of 7391982 is about 2718.8199646170. The cubic root of 7391982 is about 194.7991093511.

The spelling of 7391982 in words is "seven million, three hundred ninety-one thousand, nine hundred eighty-two".