1421349 has 8 divisors (see below), whose sum is σ = 1922112. Its totient is φ = 934080.

The previous prime is 1421339. The next prime is 1421351. The reversal of 1421349 is 9431241.

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

It is not a de Polignac number, because 1421349 - 2⁵ = 1421317 is a prime.

1421349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (240264).

2^1421349 is an apocalyptic number.

It is an amenable number.

1421349 is a deficient number, since it is larger than the sum of its proper divisors (500763).

1421349 is an equidigital number, since it uses as much as digits as its factorization.

1421349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747.

The product of its digits is 864, while the sum is 24.

The square root of 1421349 is about 1192.2034222397. The cubic root of 1421349 is about 112.4346682403.

It can be divided in two parts, 1421 and 349, that added together give a triangular number (1770 = T₅₉).

The spelling of 1421349 in words is "one million, four hundred twenty-one thousand, three hundred forty-nine".