285074000 has 40 divisors (see below), whose sum is σ = 689313768. Its totient is φ = 114028800.

The previous prime is 285073981. The next prime is 285074021. The reversal of 285074000 is 470582.

It can be written as a sum of positive squares in 4 ways, for example, as 12559936 + 272514064 = 3544^2 + 16508^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 69269 + ... + 73268.

Almost surely, 2^285074000 is an apocalyptic number.

285074000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285074000 is an abundant number, since it is smaller than the sum of its proper divisors (404239768).

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

285074000 is a wasteful number, since it uses less digits than its factorization.

285074000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142560 (or 142544 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 285074000 is about 16884.1345647327. The cubic root of 285074000 is about 658.1413886108.

The spelling of 285074000 in words is "two hundred eighty-five million, seventy-four thousand".