1071396 has 18 divisors (see below), whose sum is σ = 2708342. Its totient is φ = 357120.

The previous prime is 1071379. The next prime is 1071401. The reversal of 1071396 is 6931701.

It can be written as a sum of positive squares in only one way, i.e., 746496 + 324900 = 864^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1071396² = 2295778777632, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 14845 + ... + 14916.

2^1071396 is an apocalyptic number.

It is an amenable number.

1071396 is an abundant number, since it is smaller than the sum of its proper divisors (1636946).

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

1071396 is a wasteful number, since it uses less digits than its factorization.

1071396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29771 (or 29766 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1071396 is about 1035.0826053992. The cubic root of 1071396 is about 102.3253738912.

The spelling of 1071396 in words is "one million, seventy-one thousand, three hundred ninety-six".