1069638 has 24 divisors (see below), whose sum is σ = 2242968. Its totient is φ = 340032.

The previous prime is 1069631. The next prime is 1069639. The reversal of 1069638 is 8369601.

It is a super-2 number, since 2×1069638² = 2288250902088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1069599 and 1069608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3006 + ... + 3342.

It is an arithmetic number, because the mean of its divisors is an integer number (93457).

2^1069638 is an apocalyptic number.

1069638 is an abundant number, since it is smaller than the sum of its proper divisors (1173330).

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

1069638 is a wasteful number, since it uses less digits than its factorization.

1069638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1069638 is about 1034.2330491722. The cubic root of 1069638 is about 102.2693763930.

The spelling of 1069638 in words is "one million, sixty-nine thousand, six hundred thirty-eight".