285083690 has 16 divisors (see below), whose sum is σ = 514188000. Its totient is φ = 113802960.

The previous prime is 285083681. The next prime is 285083753. The reversal of 285083690 is 96380582.

It is a super-2 number, since 2×285083690² = 162545420608032200, which contains 22 as substring.

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, 23576 + ... + 33555.

It is an arithmetic number, because the mean of its divisors is an integer number (32136750).

Almost surely, 2^285083690 is an apocalyptic number.

285083690 is a deficient number, since it is larger than the sum of its proper divisors (229104310).

285083690 is a wasteful number, since it uses less digits than its factorization.

285083690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57637.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 285083690 is about 16884.4215180740. The cubic root of 285083690 is about 658.1488455258.

The spelling of 285083690 in words is "two hundred eighty-five million, eighty-three thousand, six hundred ninety".