1931796 has 48 divisors (see below), whose sum is σ = 5178880. Its totient is φ = 622080.

The previous prime is 1931789. The next prime is 1931801. The reversal of 1931796 is 6971391.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1931796.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3060 + ... + 3636.

2^1931796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1931796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2589440).

1931796 is an abundant number, since it is smaller than the sum of its proper divisors (3247084).

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

1931796 is a wasteful number, since it uses less digits than its factorization.

1931796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 613 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 1931796 is about 1389.8906431802. The cubic root of 1931796 is about 124.5433148748.

The spelling of 1931796 in words is "one million, nine hundred thirty-one thousand, seven hundred ninety-six".