1091796 has 24 divisors (see below), whose sum is σ = 2617440. Its totient is φ = 353952.

The previous prime is 1091777. The next prime is 1091807. The reversal of 1091796 is 6971901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786 + ... + 1673.

It is an arithmetic number, because the mean of its divisors is an integer number (109060).

2^1091796 is an apocalyptic number.

It is an amenable number.

1091796 is an abundant number, since it is smaller than the sum of its proper divisors (1525644).

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

1091796 is a wasteful number, since it uses less digits than its factorization.

1091796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1091796 is about 1044.8904248772. The cubic root of 1091796 is about 102.9707397955.

It can be divided in two parts, 10 and 91796, that added together give a triangular number (91806 = T₄₂₈).

The spelling of 1091796 in words is "one million, ninety-one thousand, seven hundred ninety-six".