1091796982 has 16 divisors (see below), whose sum is σ = 1712989152. Its totient is φ = 520914240.

The previous prime is 1091796973. The next prime is 1091796991. The reversal of 1091796982 is 2896971901.

It is an interprime number because it is at equal distance from previous prime (1091796973) and next prime (1091796991).

It is a super-3 number, since 3×1091796982³ (a number of 28 digits) contains 333 as substring.

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, 8823 + ... + 47554.

It is an arithmetic number, because the mean of its divisors is an integer number (107061822).

Almost surely, 2^1091796982 is an apocalyptic number.

1091796982 is a deficient number, since it is larger than the sum of its proper divisors (621192170).

1091796982 is a wasteful number, since it uses less digits than its factorization.

1091796982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56823.

The product of its (nonzero) digits is 489888, while the sum is 52.

The square root of 1091796982 is about 33042.3513388500. The cubic root of 1091796982 is about 1029.7077066735.

The spelling of 1091796982 in words is "one billion, ninety-one million, seven hundred ninety-six thousand, nine hundred eighty-two".