1448631 has 8 divisors (see below), whose sum is σ = 2146160. Its totient is φ = 965736.

The previous prime is 1448611. The next prime is 1448659. The reversal of 1448631 is 1368441.

It is a de Polignac number, because none of the positive numbers 2^k-1448631 is a prime.

It is a super-2 number, since 2×1448631² = 4197063548322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 53653 = 1448631 / (1 + 4 + 4 + 8 + 6 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1448595 and 1448604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448611) 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, 26800 + ... + 26853.

It is an arithmetic number, because the mean of its divisors is an integer number (268270).

2^1448631 is an apocalyptic number.

1448631 is a deficient number, since it is larger than the sum of its proper divisors (697529).

1448631 is an equidigital number, since it uses as much as digits as its factorization.

1448631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53662 (or 53656 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1448631 is about 1203.5908773333. The cubic root of 1448631 is about 113.1494875919.

The spelling of 1448631 in words is "one million, four hundred forty-eight thousand, six hundred thirty-one".