1090791948 has 24 divisors (see below), whose sum is σ = 2546655552. Its totient is φ = 363386704.

The previous prime is 1090791943. The next prime is 1090791953. The reversal of 1090791948 is 8491970901.

It is an interprime number because it is at equal distance from previous prime (1090791943) and next prime (1090791953).

It is a junction number, because it is equal to n+sod(n) for n = 1090791897 and 1090791906.

It is not an unprimeable number, because it can be changed into a prime (1090791943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990 + ... + 46877.

It is an arithmetic number, because the mean of its divisors is an integer number (106110648).

Almost surely, 2^1090791948 is an apocalyptic number.

It is an amenable number.

1090791948 is an abundant number, since it is smaller than the sum of its proper divisors (1455863604).

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

1090791948 is a wasteful number, since it uses less digits than its factorization.

1090791948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52661 (or 52659 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 48.

The square root of 1090791948 is about 33027.1395673316. The cubic root of 1090791948 is about 1029.3916500607.

The spelling of 1090791948 in words is "one billion, ninety million, seven hundred ninety-one thousand, nine hundred forty-eight".