1099690672 has 20 divisors (see below), whose sum is σ = 2204122320. Its totient is φ = 530884928.

The previous prime is 1099690667. The next prime is 1099690673. The reversal of 1099690672 is 2760969901.

It is a super-3 number, since 3×1099690672³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1099690673) 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, 1184548 + ... + 1185475.

It is an arithmetic number, because the mean of its divisors is an integer number (110206116).

Almost surely, 2^1099690672 is an apocalyptic number.

It is an amenable number.

1099690672 is an abundant number, since it is smaller than the sum of its proper divisors (1104431648).

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

1099690672 is a wasteful number, since it uses less digits than its factorization.

1099690672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370060 (or 2370054 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 1099690672 is about 33161.5842806100. The cubic root of 1099690672 is about 1032.1833448263.

The spelling of 1099690672 in words is "one billion, ninety-nine million, six hundred ninety thousand, six hundred seventy-two".