1086490 has 8 divisors (see below), whose sum is σ = 1955700. Its totient is φ = 434592.

The previous prime is 1086469. The next prime is 1086493. The reversal of 1086490 is 946801.

It can be written as a sum of positive squares in 2 ways, for example, as 1083681 + 2809 = 1041^2 + 53^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1086493) 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 3 ways as a sum of consecutive naturals, for example, 54315 + ... + 54334.

2^1086490 is an apocalyptic number.

1086490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1086490 is a deficient number, since it is larger than the sum of its proper divisors (869210).

1086490 is a wasteful number, since it uses less digits than its factorization.

1086490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108656.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1086490 is about 1042.3483103071. The cubic root of 1086490 is about 102.8036602834.

It can be divided in two parts, 10 and 86490, that multiplied together give a square (864900 = 930²).

The spelling of 1086490 in words is "one million, eighty-six thousand, four hundred ninety".