285515038 has 16 divisors (see below), whose sum is σ = 435390480. Its totient is φ = 140403456.

The previous prime is 285515029. The next prime is 285515047. The reversal of 285515038 is 830515582.

It is an interprime number because it is at equal distance from previous prime (285515029) and next prime (285515047).

It is a junction number, because it is equal to n+sod(n) for n = 285514988 and 285515006.

It is a congruent number.

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, 27108 + ... + 36136.

It is an arithmetic number, because the mean of its divisors is an integer number (27211905).

Almost surely, 2^285515038 is an apocalyptic number.

285515038 is a deficient number, since it is larger than the sum of its proper divisors (149875442).

285515038 is a wasteful number, since it uses less digits than its factorization.

285515038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291.

The product of its (nonzero) digits is 48000, while the sum is 37.

The square root of 285515038 is about 16897.1902398002. The cubic root of 285515038 is about 658.4806172560.

The spelling of 285515038 in words is "two hundred eighty-five million, five hundred fifteen thousand, thirty-eight".