2193989598 has 32 divisors (see below), whose sum is σ = 5032811520. Its totient is φ = 707738040.

The previous prime is 2193989579. The next prime is 2193989599. The reversal of 2193989598 is 8959893912.

2193989598 is a `hidden beast` number, since 2 + 1 + 9 + 39 + 8 + 9 + 598 = 666.

It is a super-2 number, since 2×2193989598² = 9627180712264403208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193989599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653640 + ... + 656987.

It is an arithmetic number, because the mean of its divisors is an integer number (157275360).

Almost surely, 2^2193989598 is an apocalyptic number.

2193989598 is an abundant number, since it is smaller than the sum of its proper divisors (2838821922).

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

2193989598 is a wasteful number, since it uses less digits than its factorization.

2193989598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310669 (or 1310663 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 63.

The square root of 2193989598 is about 46840.0426771795. The cubic root of 2193989598 is about 1299.4059609405.

The spelling of 2193989598 in words is "two billion, one hundred ninety-three million, nine hundred eighty-nine thousand, five hundred ninety-eight".