383272540 has 24 divisors (see below), whose sum is σ = 919854432. Its totient is φ = 131407680.

The previous prime is 383272523. The next prime is 383272543. The reversal of 383272540 is 45272383.

It is a junction number, because it is equal to n+sod(n) for n = 383272496 and 383272505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383272543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368691 + ... + 1368970.

It is an arithmetic number, because the mean of its divisors is an integer number (38327268).

Almost surely, 2^383272540 is an apocalyptic number.

It is an amenable number.

383272540 is an abundant number, since it is smaller than the sum of its proper divisors (536581892).

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

383272540 is a wasteful number, since it uses less digits than its factorization.

383272540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737677 (or 2737675 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 383272540 is about 19577.3476242314. The cubic root of 383272540 is about 726.3889599930.

The spelling of 383272540 in words is "three hundred eighty-three million, two hundred seventy-two thousand, five hundred forty".