1035646864 has 20 divisors (see below), whose sum is σ = 2293218304. Its totient is φ = 443848608.

The previous prime is 1035646849. The next prime is 1035646907. The reversal of 1035646864 is 4686465301.

It is a happy number.

It is a super-3 number, since 3×1035646864³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1035646864.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4623312 + ... + 4623535.

Almost surely, 2^1035646864 is an apocalyptic number.

1035646864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1035646864 is an abundant number, since it is smaller than the sum of its proper divisors (1257571440).

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

1035646864 is an equidigital number, since it uses as much as digits as its factorization.

1035646864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246862 (or 9246856 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 1035646864 is about 32181.4677104696. The cubic root of 1035646864 is about 1011.7438305505.

It can be divided in two parts, 10356 and 46864, that multiplied together give a palindrome (485323584).

The spelling of 1035646864 in words is "one billion, thirty-five million, six hundred forty-six thousand, eight hundred sixty-four".