285740741 has 16 divisors (see below), whose sum is σ = 347276160. Its totient is φ = 231510720.

The previous prime is 285740731. The next prime is 285740783. The reversal of 285740741 is 147047582.

It is a cyclic number.

It is not a de Polignac number, because 285740741 - 2¹⁰ = 285739717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285740695 and 285740704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285740731) 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, 30305 + ... + 38598.

It is an arithmetic number, because the mean of its divisors is an integer number (21704760).

Almost surely, 2^285740741 is an apocalyptic number.

It is an amenable number.

285740741 is a deficient number, since it is larger than the sum of its proper divisors (61535419).

285740741 is a wasteful number, since it uses less digits than its factorization.

285740741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68956.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 285740741 is about 16903.8676343611. The cubic root of 285740741 is about 658.6540837825.

The spelling of 285740741 in words is "two hundred eighty-five million, seven hundred forty thousand, seven hundred forty-one".