1382090 has 8 divisors (see below), whose sum is σ = 2487780. Its totient is φ = 552832.

The previous prime is 1382089. The next prime is 1382099. The reversal of 1382090 is 902831.

It can be written as a sum of positive squares in 2 ways, for example, as 1343281 + 38809 = 1159^2 + 197^2 .

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 (1382099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69095 + ... + 69114.

2^1382090 is an apocalyptic number.

1382090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1382090 is a deficient number, since it is larger than the sum of its proper divisors (1105690).

1382090 is a wasteful number, since it uses less digits than its factorization.

1382090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138216.

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

The square root of 1382090 is about 1175.6232389673. The cubic root of 1382090 is about 111.3898044598.

It can be divided in two parts, 138 and 2090, that multiplied together give a triangular number (288420 = T₇₅₉).

The spelling of 1382090 in words is "one million, three hundred eighty-two thousand, ninety".