1071798 has 48 divisors (see below), whose sum is σ = 2670336. Its totient is φ = 280800.

The previous prime is 1071787. The next prime is 1071803. The reversal of 1071798 is 8971701.

It is a super-2 number, since 2×1071798² = 2297501905608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7023 + ... + 7173.

It is an arithmetic number, because the mean of its divisors is an integer number (55632).

2^1071798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335168).

1071798 is an abundant number, since it is smaller than the sum of its proper divisors (1598538).

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

1071798 is a wasteful number, since it uses less digits than its factorization.

1071798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 1071798 is about 1035.2767745874. The cubic root of 1071798 is about 102.3381701734.

The spelling of 1071798 in words is "one million, seventy-one thousand, seven hundred ninety-eight".