200679864 has 192 divisors, whose sum is σ = 652043520. Its totient is φ = 49996800.

The previous prime is 200679863. The next prime is 200679887. The reversal of 200679864 is 468976002.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200679863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1775872 + ... + 1775984.

It is an arithmetic number, because the mean of its divisors is an integer number (3396060).

Almost surely, 2^200679864 is an apocalyptic number.

200679864 is a gapful number since it is divisible by the number (24) 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 200679864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326021760).

200679864 is an abundant number, since it is smaller than the sum of its proper divisors (451363656).

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

200679864 is a wasteful number, since it uses less digits than its factorization.

200679864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 200679864 is about 14166.1520533983. The cubic root of 200679864 is about 585.4654430086.

The spelling of 200679864 in words is "two hundred million, six hundred seventy-nine thousand, eight hundred sixty-four".