1400648 has 8 divisors (see below), whose sum is σ = 2626230. Its totient is φ = 700320.

The previous prime is 1400627. The next prime is 1400653. The reversal of 1400648 is 8460041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 550564 = 922^2 + 742^2 .

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

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 as a sum of consecutive naturals, namely, 87533 + ... + 87548.

2^1400648 is an apocalyptic number.

It is an amenable number.

1400648 is a deficient number, since it is larger than the sum of its proper divisors (1225582).

1400648 is a wasteful number, since it uses less digits than its factorization.

1400648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175087 (or 175083 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1400648 is about 1183.4897549197. The cubic root of 1400648 is about 111.8861513181.

Adding to 1400648 its reverse (8460041), we get a palindrome (9860689).

It can be divided in two parts, 1400 and 648, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1400648 in words is "one million, four hundred thousand, six hundred forty-eight".