1421464 has 32 divisors (see below), whose sum is σ = 3013200. Its totient is φ = 622720.

The previous prime is 1421461. The next prime is 1421471. The reversal of 1421464 is 4641241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421461) 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, 2274 + ... + 2830.

2^1421464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506600).

1421464 is an abundant number, since it is smaller than the sum of its proper divisors (1591736).

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

1421464 is a wasteful number, since it uses less digits than its factorization.

1421464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 599 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1421464 is about 1192.2516512884. The cubic root of 1421464 is about 112.4377004860.

It can be divided in two parts, 1421 and 464, that multiplied together give a square (659344 = 812²).

The spelling of 1421464 in words is "one million, four hundred twenty-one thousand, four hundred sixty-four".