1083890 has 16 divisors (see below), whose sum is σ = 1963008. Its totient is φ = 430896.

The previous prime is 1083881. The next prime is 1083899. The reversal of 1083890 is 983801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1083881) and next prime (1083899).

It is not an unprimeable number, because it can be changed into a prime (1083899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2639 + ... + 3021.

It is an arithmetic number, because the mean of its divisors is an integer number (122688).

2^1083890 is an apocalyptic number.

1083890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1083890 is a deficient number, since it is larger than the sum of its proper divisors (879118).

1083890 is a wasteful number, since it uses less digits than its factorization.

1083890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1083890 is about 1041.1003794063. The cubic root of 1083890 is about 102.7215908025.

The spelling of 1083890 in words is "one million, eighty-three thousand, eight hundred ninety".