383627940 has 48 divisors (see below), whose sum is σ = 1099146048. Its totient is φ = 99921024.

The previous prime is 383627927. The next prime is 383627941. The reversal of 383627940 is 49726383.

It is a junction number, because it is equal to n+sod(n) for n = 383627892 and 383627901.

It is not an unprimeable number, because it can be changed into a prime (383627941) 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, 71767 + ... + 76926.

It is an arithmetic number, because the mean of its divisors is an integer number (22898876).

Almost surely, 2^383627940 is an apocalyptic number.

383627940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

383627940 is an abundant number, since it is smaller than the sum of its proper divisors (715518108).

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

383627940 is a wasteful number, since it uses less digits than its factorization.

383627940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148748 (or 148746 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 383627940 is about 19586.4223379360. The cubic root of 383627940 is about 726.6134120088.

The spelling of 383627940 in words is "three hundred eighty-three million, six hundred twenty-seven thousand, nine hundred forty".