285948975 has 48 divisors (see below), whose sum is σ = 511307552. Its totient is φ = 140175360.

The previous prime is 285948941. The next prime is 285948979. The reversal of 285948975 is 579849582.

It is a happy number.

It is not a de Polignac number, because 285948975 - 2⁶ = 285948911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285948979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304707 + ... + 305643.

Almost surely, 2^285948975 is an apocalyptic number.

285948975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

285948975 is a deficient number, since it is larger than the sum of its proper divisors (225358577).

285948975 is a wasteful number, since it uses less digits than its factorization.

285948975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1271 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 57.

The square root of 285948975 is about 16910.0258722451. The cubic root of 285948975 is about 658.8140433206.

The spelling of 285948975 in words is "two hundred eighty-five million, nine hundred forty-eight thousand, nine hundred seventy-five".