383854540 has 24 divisors (see below), whose sum is σ = 814079952. Its totient is φ = 152020800.

The previous prime is 383854519. The next prime is 383854547. The reversal of 383854540 is 45458383.

It is a super-2 number, since 2×383854540² = 294688615757223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 383854493 and 383854502.

It is not an unprimeable number, because it can be changed into a prime (383854547) 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, 92994 + ... + 97033.

It is an arithmetic number, because the mean of its divisors is an integer number (33919998).

Almost surely, 2^383854540 is an apocalyptic number.

It is an amenable number.

383854540 is an abundant number, since it is smaller than the sum of its proper divisors (430225412).

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

383854540 is a wasteful number, since it uses less digits than its factorization.

383854540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190137 (or 190135 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 383854540 is about 19592.2061034484. The cubic root of 383854540 is about 726.7564483331.

The spelling of 383854540 in words is "three hundred eighty-three million, eight hundred fifty-four thousand, five hundred forty".