1065870438 has 16 divisors (see below), whose sum is σ = 2163558720. Its totient is φ = 349987176.

The previous prime is 1065870397. The next prime is 1065870469. The reversal of 1065870438 is 8340785601.

It is a super-2 number, since 2×1065870438² = 2272159581204623688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065870438.

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, 1325308 + ... + 1326111.

It is an arithmetic number, because the mean of its divisors is an integer number (135222420).

Almost surely, 2^1065870438 is an apocalyptic number.

1065870438 is an abundant number, since it is smaller than the sum of its proper divisors (1097688282).

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

1065870438 is a wasteful number, since it uses less digits than its factorization.

1065870438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651491.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1065870438 is about 32647.6712492637. The cubic root of 1065870438 is about 1021.4916142660.

The spelling of 1065870438 in words is "one billion, sixty-five million, eight hundred seventy thousand, four hundred thirty-eight".