1085379284 has 12 divisors (see below), whose sum is σ = 2072087808. Its totient is φ = 493354200.

The previous prime is 1085379271. The next prime is 1085379287. The reversal of 1085379284 is 4829735801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085379287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12333812 + ... + 12333899.

It is an arithmetic number, because the mean of its divisors is an integer number (172673984).

Almost surely, 2^1085379284 is an apocalyptic number.

It is an amenable number.

1085379284 is a deficient number, since it is larger than the sum of its proper divisors (986708524).

1085379284 is a wasteful number, since it uses less digits than its factorization.

1085379284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24667726 (or 24667724 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 1085379284 is about 32945.0949915158. The cubic root of 1085379284 is about 1027.6861636429.

The spelling of 1085379284 in words is "one billion, eighty-five million, three hundred seventy-nine thousand, two hundred eighty-four".