285034406 has 4 divisors (see below), whose sum is σ = 427551612. Its totient is φ = 142517202.

The previous prime is 285034397. The next prime is 285034433. The reversal of 285034406 is 604430582.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×285034406² = 162489225207545672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71258600 + ... + 71258603.

It is an arithmetic number, because the mean of its divisors is an integer number (106887903).

Almost surely, 2^285034406 is an apocalyptic number.

285034406 is a deficient number, since it is larger than the sum of its proper divisors (142517206).

285034406 is a wasteful number, since it uses less digits than its factorization.

285034406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142517205.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 285034406 is about 16882.9620031557. The cubic root of 285034406 is about 658.1109173920.

Adding to 285034406 its reverse (604430582), we get a palindrome (889464988).

The spelling of 285034406 in words is "two hundred eighty-five million, thirty-four thousand, four hundred six".