383699680 has 288 divisors, whose sum is σ = 1193621184. Its totient is φ = 113467392.

The previous prime is 383699677. The next prime is 383699683. The reversal of 383699680 is 86996383.

It is an interprime number because it is at equal distance from previous prime (383699677) and next prime (383699683).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383699683) 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, 5256124 + ... + 5256196.

It is an arithmetic number, because the mean of its divisors is an integer number (4144518).

Almost surely, 2^383699680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383699680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596810592).

383699680 is an abundant number, since it is smaller than the sum of its proper divisors (809921504).

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

383699680 is a wasteful number, since it uses less digits than its factorization.

383699680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 383699680 is about 19588.2536230262. The cubic root of 383699680 is about 726.6587024162.

The spelling of 383699680 in words is "three hundred eighty-three million, six hundred ninety-nine thousand, six hundred eighty".