1401648 has 20 divisors (see below), whose sum is σ = 3621048. Its totient is φ = 467200.

The previous prime is 1401641. The next prime is 1401679. The reversal of 1401648 is 8461041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1401641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14553 + ... + 14648.

2^1401648 is an apocalyptic number.

It is an amenable number.

1401648 is an abundant number, since it is smaller than the sum of its proper divisors (2219400).

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

1401648 is a wasteful number, since it uses less digits than its factorization.

1401648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29212 (or 29206 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1401648 is about 1183.9121589037. The cubic root of 1401648 is about 111.9127722190.

Adding to 1401648 its reverse (8461041), we get a palindrome (9862689).

The spelling of 1401648 in words is "one million, four hundred one thousand, six hundred forty-eight".