1430648 has 8 divisors (see below), whose sum is σ = 2682480. Its totient is φ = 715320.

The previous prime is 1430647. The next prime is 1430659. The reversal of 1430648 is 8460341.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430641) 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 as a sum of consecutive naturals, namely, 89408 + ... + 89423.

It is an arithmetic number, because the mean of its divisors is an integer number (335310).

2^1430648 is an apocalyptic number.

It is an amenable number.

1430648 is a deficient number, since it is larger than the sum of its proper divisors (1251832).

1430648 is a wasteful number, since it uses less digits than its factorization.

1430648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178837 (or 178833 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1430648 is about 1196.0969860342. The cubic root of 1430648 is about 112.6793320885.

Adding to 1430648 its reverse (8460341), we get a palindrome (9890989).

The spelling of 1430648 in words is "one million, four hundred thirty thousand, six hundred forty-eight".