1082390 has 16 divisors (see below), whose sum is σ = 2063232. Its totient is φ = 407424.

The previous prime is 1082387. The next prime is 1082399. The reversal of 1082390 is 932801.

1082390 = T₁₈₀ + T₁₈₁ + ... + T₂₃₀.

It is a super-2 number, since 2×1082390² = 2343136224200, which contains 22 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 (1082399) 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, 3014 + ... + 3353.

It is an arithmetic number, because the mean of its divisors is an integer number (128952).

2^1082390 is an apocalyptic number.

1082390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1082390 is a deficient number, since it is larger than the sum of its proper divisors (980842).

1082390 is a wasteful number, since it uses less digits than its factorization.

1082390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1082390 is about 1040.3797383648. The cubic root of 1082390 is about 102.6741833105.

The spelling of 1082390 in words is "one million, eighty-two thousand, three hundred ninety".