673596396 has 144 divisors (see below), whose sum is σ = 1970562048. Its totient is φ = 192067200.

The previous prime is 673596373. The next prime is 673596397. The reversal of 673596396 is 693695376.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (673596397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 453471 + ... + 454953.

Almost surely, 2^673596396 is an apocalyptic number.

673596396 is a gapful number since it is divisible by the number (66) 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 673596396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985281024).

673596396 is an abundant number, since it is smaller than the sum of its proper divisors (1296965652).

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

673596396 is a wasteful number, since it uses less digits than its factorization.

673596396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1567 counting only the distinct ones).

The product of its digits is 5511240, while the sum is 54.

The square root of 673596396 is about 25953.7356848682. The cubic root of 673596396 is about 876.5968753846.

The spelling of 673596396 in words is "six hundred seventy-three million, five hundred ninety-six thousand, three hundred ninety-six".