1084381 has 4 divisors (see below), whose sum is σ = 1131552. Its totient is φ = 1037212.

The previous prime is 1084373. The next prime is 1084403. The reversal of 1084381 is 1834801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1084381 - 2³ = 1084373 is a prime.

It is a super-2 number, since 2×1084381² = 2351764306322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23551 + ... + 23596.

It is an arithmetic number, because the mean of its divisors is an integer number (282888).

2^1084381 is an apocalyptic number.

It is an amenable number.

1084381 is a deficient number, since it is larger than the sum of its proper divisors (47171).

1084381 is an equidigital number, since it uses as much as digits as its factorization.

1084381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47170.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1084381 is about 1041.3361609010. The cubic root of 1084381 is about 102.7370993526.

It can be divided in two parts, 108 and 4381, that added together give a square (4489 = 67²).

The spelling of 1084381 in words is "one million, eighty-four thousand, three hundred eighty-one".