285746604 has 96 divisors (see below), whose sum is σ = 792529920. Its totient is φ = 78988800.

The previous prime is 285746581. The next prime is 285746611. The reversal of 285746604 is 406647582.

It is a super-2 number, since 2×285746604² = 163302243395065632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151789 + ... + 153659.

It is an arithmetic number, because the mean of its divisors is an integer number (8255520).

Almost surely, 2^285746604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285746604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396264960).

285746604 is an abundant number, since it is smaller than the sum of its proper divisors (506783316).

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

285746604 is a wasteful number, since it uses less digits than its factorization.

285746604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 285746604 is about 16904.0410553217. The cubic root of 285746604 is about 658.6585886383.

The spelling of 285746604 in words is "two hundred eighty-five million, seven hundred forty-six thousand, six hundred four".