1402344 has 24 divisors (see below), whose sum is σ = 3798210. Its totient is φ = 467424.

The previous prime is 1402309. The next prime is 1402361. The reversal of 1402344 is 4432041.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 324900 = 1038^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 9667 + ... + 9810.

2^1402344 is an apocalyptic number.

It is an amenable number.

1402344 is an abundant number, since it is smaller than the sum of its proper divisors (2395866).

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

1402344 is a wasteful number, since it uses less digits than its factorization.

1402344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19489 (or 19482 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1402344 is about 1184.2060631495. The cubic root of 1402344 is about 111.9312928938.

Adding to 1402344 its reverse (4432041), we get a palindrome (5834385).

The spelling of 1402344 in words is "one million, four hundred two thousand, three hundred forty-four".