1548428 has 24 divisors (see below), whose sum is σ = 3280032. Its totient is φ = 624384.

The previous prime is 1548427. The next prime is 1548433. The reversal of 1548428 is 8248451.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1548394 and 1548403.

It is not an unprimeable number, because it can be changed into a prime (1548427) 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, 1151 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (136668).

2^1548428 is an apocalyptic number.

It is an amenable number.

1548428 is an abundant number, since it is smaller than the sum of its proper divisors (1731604).

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

1548428 is a wasteful number, since it uses less digits than its factorization.

1548428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281 (or 3279 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 1548428 is about 1244.3584692523. The cubic root of 1548428 is about 115.6903154710.

The spelling of 1548428 in words is "one million, five hundred forty-eight thousand, four hundred twenty-eight".