285672506 has 16 divisors (see below), whose sum is σ = 496434624. Its totient is φ = 120753504.

The previous prime is 285672503. The next prime is 285672509. The reversal of 285672506 is 605276582.

It is an interprime number because it is at equal distance from previous prime (285672503) and next prime (285672509).

It is not an unprimeable number, because it can be changed into a prime (285672503) 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, 138740 + ... + 140783.

It is an arithmetic number, because the mean of its divisors is an integer number (31027164).

Almost surely, 2^285672506 is an apocalyptic number.

285672506 is a deficient number, since it is larger than the sum of its proper divisors (210762118).

285672506 is a wasteful number, since it uses less digits than its factorization.

285672506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279605.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 285672506 is about 16901.8491887722. The cubic root of 285672506 is about 658.6016506582.

The spelling of 285672506 in words is "two hundred eighty-five million, six hundred seventy-two thousand, five hundred six".