1005865368 has 32 divisors (see below), whose sum is σ = 2518056960. Its totient is φ = 334836000.

The previous prime is 1005865337. The next prime is 1005865373. The reversal of 1005865368 is 8635685001.

It is a congruent number.

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, 9880 + ... + 45927.

It is an arithmetic number, because the mean of its divisors is an integer number (78689280).

Almost surely, 2^1005865368 is an apocalyptic number.

It is an amenable number.

1005865368 is an abundant number, since it is smaller than the sum of its proper divisors (1512191592).

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

1005865368 is a wasteful number, since it uses less digits than its factorization.

1005865368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56567 (or 56563 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 1005865368 is about 31715.3806220263. The cubic root of 1005865368 is about 1001.9513125693.

The spelling of 1005865368 in words is "one billion, five million, eight hundred sixty-five thousand, three hundred sixty-eight".