1099946952 has 160 divisors (see below), whose sum is σ = 3408497400. Its totient is φ = 329204736.

The previous prime is 1099946933. The next prime is 1099946957. The reversal of 1099946952 is 2596499901.

It can be written as a sum of positive squares in 4 ways, for example, as 751527396 + 348419556 = 27414^2 + 18666^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1099946957) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 309924 + ... + 313452.

Almost surely, 2^1099946952 is an apocalyptic number.

1099946952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099946952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704248700).

1099946952 is an abundant number, since it is smaller than the sum of its proper divisors (2308550448).

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

1099946952 is a wasteful number, since it uses less digits than its factorization.

1099946952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The square root of 1099946952 is about 33165.4481652216. The cubic root of 1099946952 is about 1032.2635211303.

The spelling of 1099946952 in words is "one billion, ninety-nine million, nine hundred forty-six thousand, nine hundred fifty-two".