383493540 has 24 divisors (see below), whose sum is σ = 1073782080. Its totient is φ = 102264928.

The previous prime is 383493499. The next prime is 383493553. The reversal of 383493540 is 45394383.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3195720 + ... + 3195839.

It is an arithmetic number, because the mean of its divisors is an integer number (44740920).

Almost surely, 2^383493540 is an apocalyptic number.

383493540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

383493540 is an abundant number, since it is smaller than the sum of its proper divisors (690288540).

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

383493540 is a wasteful number, since it uses less digits than its factorization.

383493540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391571 (or 6391569 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 383493540 is about 19582.9910892080. The cubic root of 383493540 is about 726.5285483175.

The spelling of 383493540 in words is "three hundred eighty-three million, four hundred ninety-three thousand, five hundred forty".