383700240 has 400 divisors, whose sum is σ = 1663643520. Its totient is φ = 79626240.

The previous prime is 383700221. The next prime is 383700241. The reversal of 383700240 is 42007383.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383700241) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 498576 + ... + 499344.

Almost surely, 2^383700240 is an apocalyptic number.

383700240 is a gapful number since it is divisible by the number (30) 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 383700240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831821760).

383700240 is an abundant number, since it is smaller than the sum of its proper divisors (1279943280).

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

383700240 is a wasteful number, since it uses less digits than its factorization.

383700240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 383700240 is about 19588.2679173019. The cubic root of 383700240 is about 726.6590559294.

The spelling of 383700240 in words is "three hundred eighty-three million, seven hundred thousand, two hundred forty".