1065994428 has 24 divisors (see below), whose sum is σ = 2489260032. Its totient is φ = 355054384.

The previous prime is 1065994417. The next prime is 1065994463. The reversal of 1065994428 is 8244995601.

It is a super-2 number, since 2×1065994428² = 2272688241054094368, 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 7 ways as a sum of consecutive naturals, for example, 18300 + ... + 49667.

It is an arithmetic number, because the mean of its divisors is an integer number (103719168).

Almost surely, 2^1065994428 is an apocalyptic number.

It is an amenable number.

1065994428 is an abundant number, since it is smaller than the sum of its proper divisors (1423265604).

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

1065994428 is a wasteful number, since it uses less digits than its factorization.

1065994428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69281 (or 69279 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1065994428 is about 32649.5701043674. The cubic root of 1065994428 is about 1021.5312219050.

The spelling of 1065994428 in words is "one billion, sixty-five million, nine hundred ninety-four thousand, four hundred twenty-eight".