387240541 has 16 divisors (see below), whose sum is σ = 401587200. Its totient is φ = 373230000.

The previous prime is 387240391. The next prime is 387240559. The reversal of 387240541 is 145042783.

It is a cyclic number.

It is not a de Polignac number, because 387240541 - 2¹⁵ = 387207773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387240497 and 387240506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387240041) 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, 1169746 + ... + 1170076.

It is an arithmetic number, because the mean of its divisors is an integer number (25099200).

Almost surely, 2^387240541 is an apocalyptic number.

It is an amenable number.

387240541 is a deficient number, since it is larger than the sum of its proper divisors (14346659).

387240541 is a wasteful number, since it uses less digits than its factorization.

387240541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 387240541 is about 19678.4283163062. The cubic root of 387240541 is about 728.8871145510.

The spelling of 387240541 in words is "three hundred eighty-seven million, two hundred forty thousand, five hundred forty-one".