1552428 has 36 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 499296.

The previous prime is 1552417. The next prime is 1552451. The reversal of 1552428 is 8242551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301 + ... + 1787.

It is an arithmetic number, because the mean of its divisors is an integer number (112840).

2^1552428 is an apocalyptic number.

1552428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031120).

1552428 is an abundant number, since it is smaller than the sum of its proper divisors (2509812).

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

1552428 is a wasteful number, since it uses less digits than its factorization.

1552428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1521 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1552428 is about 1245.9646864980. The cubic root of 1552428 is about 115.7898493971.

Adding to 1552428 its reverse (8242551), we get a palindrome (9794979).

The spelling of 1552428 in words is "one million, five hundred fifty-two thousand, four hundred twenty-eight".