1084390 has 8 divisors (see below), whose sum is σ = 1951920. Its totient is φ = 433752.

The previous prime is 1084373. The next prime is 1084403. The reversal of 1084390 is 934801.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54210 + ... + 54229.

It is an arithmetic number, because the mean of its divisors is an integer number (243990).

2^1084390 is an apocalyptic number.

1084390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1084390 is a deficient number, since it is larger than the sum of its proper divisors (867530).

1084390 is a wasteful number, since it uses less digits than its factorization.

1084390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108446.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1084390 is about 1041.3404822631. The cubic root of 1084390 is about 102.7373835797.

The spelling of 1084390 in words is "one million, eighty-four thousand, three hundred ninety".