1448428 has 6 divisors (see below), whose sum is σ = 2534756. Its totient is φ = 724212.

The previous prime is 1448423. The next prime is 1448431. The reversal of 1448428 is 8248441.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1448428.

It is not an unprimeable number, because it can be changed into a prime (1448423) 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, 181050 + ... + 181057.

2^1448428 is an apocalyptic number.

It is an amenable number.

1448428 is a deficient number, since it is larger than the sum of its proper divisors (1086328).

1448428 is a wasteful number, since it uses less digits than its factorization.

1448428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362111 (or 362109 counting only the distinct ones).

The product of its digits is 8192, while the sum is 31.

The square root of 1448428 is about 1203.5065433973. The cubic root of 1448428 is about 113.1442020455.

The spelling of 1448428 in words is "one million, four hundred forty-eight thousand, four hundred twenty-eight".