1045386 has 32 divisors (see below), whose sum is σ = 2361600. Its totient is φ = 347004.

The previous prime is 1045367. The next prime is 1045391. The reversal of 1045386 is 6835401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4255 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (73800).

2^1045386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180800).

1045386 is an abundant number, since it is smaller than the sum of its proper divisors (1316214).

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

1045386 is an frugal number, since it uses more digits than its factorization.

1045386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1045386 is about 1022.4411963531. The cubic root of 1045386 is about 101.4905392106.

It can be divided in two parts, 1045 and 386, that added together give a triangular number (1431 = T₅₃).

The spelling of 1045386 in words is "one million, forty-five thousand, three hundred eighty-six".