1093421 has 8 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 930960.

The previous prime is 1093409. The next prime is 1093427. The reversal of 1093421 is 1243901.

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

It is a cyclic number.

It is not a de Polignac number, because 1093421 - 2⁶ = 1093357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1093393 and 1093402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093427) 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 7 ways as a sum of consecutive naturals, for example, 836 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

2^1093421 is an apocalyptic number.

It is an amenable number.

1093421 is a deficient number, since it is larger than the sum of its proper divisors (164563).

1093421 is an equidigital number, since it uses as much as digits as its factorization.

1093421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1093421 is about 1045.6677292525. The cubic root of 1093421 is about 103.0218007707.

The spelling of 1093421 in words is "one million, ninety-three thousand, four hundred twenty-one".