905287864 has 16 divisors (see below), whose sum is σ = 1827985320. Its totient is φ = 417825120.

The previous prime is 905287849. The next prime is 905287871. The reversal of 905287864 is 468782509.

It is a super-2 number, since 2×905287864² = 1639092233411364992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4352242 + ... + 4352449.

Almost surely, 2^905287864 is an apocalyptic number.

It is an amenable number.

905287864 is an abundant number, since it is smaller than the sum of its proper divisors (922697456).

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

905287864 is a wasteful number, since it uses less digits than its factorization.

905287864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704710 (or 8704706 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 905287864 is about 30088.0019941504. The cubic root of 905287864 is about 967.3765736247.

The spelling of 905287864 in words is "nine hundred five million, two hundred eighty-seven thousand, eight hundred sixty-four".