285683034 has 48 divisors (see below), whose sum is σ = 715786848. Its totient is φ = 75343968.

The previous prime is 285683033. The next prime is 285683053. The reversal of 285683034 is 430386582.

It is a super-2 number, since 2×285683034² = 163229591830890312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 285682983 and 285683001.

It is not an unprimeable number, because it can be changed into a prime (285683033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33552 + ... + 41195.

It is an arithmetic number, because the mean of its divisors is an integer number (14912226).

Almost surely, 2^285683034 is an apocalyptic number.

285683034 is an abundant number, since it is smaller than the sum of its proper divisors (430103814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285683034 is a wasteful number, since it uses less digits than its factorization.

285683034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74779 (or 74772 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 285683034 is about 16902.1606311146. The cubic root of 285683034 is about 658.6097411264.

The spelling of 285683034 in words is "two hundred eighty-five million, six hundred eighty-three thousand, thirty-four".