285396607 has 4 divisors (see below), whose sum is σ = 287449960. Its totient is φ = 283343256.

The previous prime is 285396599. The next prime is 285396611. The reversal of 285396607 is 706693582.

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

It is a cyclic number.

It is not a de Polignac number, because 285396607 - 2³ = 285396599 is a prime.

It is a super-2 number, since 2×285396607² = 162902446574224898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285396647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026468 + ... + 1026745.

It is an arithmetic number, because the mean of its divisors is an integer number (71862490).

Almost surely, 2^285396607 is an apocalyptic number.

285396607 is a deficient number, since it is larger than the sum of its proper divisors (2053353).

285396607 is a wasteful number, since it uses less digits than its factorization.

285396607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053352.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 285396607 is about 16893.6854179306. The cubic root of 285396607 is about 658.3895592349.

The spelling of 285396607 in words is "two hundred eighty-five million, three hundred ninety-six thousand, six hundred seven".