1086390 has 24 divisors (see below), whose sum is σ = 2824848. Its totient is φ = 289680.

The previous prime is 1086389. The next prime is 1086391. The reversal of 1086390 is 936801.

It is an interprime number because it is at equal distance from previous prime (1086389) and next prime (1086391).

It is a super-3 number, since 3×1086390³ = 3846613334763357000, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5946 + ... + 6125.

It is an arithmetic number, because the mean of its divisors is an integer number (117702).

2^1086390 is an apocalyptic number.

1086390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1086390 is an abundant number, since it is smaller than the sum of its proper divisors (1738458).

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

1086390 is a wasteful number, since it uses less digits than its factorization.

1086390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084 (or 12081 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1086390 is about 1042.3003405929. The cubic root of 1086390 is about 102.8005061874.

The spelling of 1086390 in words is "one million, eighty-six thousand, three hundred ninety".