1552420 has 12 divisors (see below), whose sum is σ = 3260124. Its totient is φ = 620960.

The previous prime is 1552417. The next prime is 1552451. The reversal of 1552420 is 242551.

It can be written as a sum of positive squares in 2 ways, for example, as 788544 + 763876 = 888^2 + 874^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38791 + ... + 38830.

It is an arithmetic number, because the mean of its divisors is an integer number (271677).

2^1552420 is an apocalyptic number.

1552420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552420 is an abundant number, since it is smaller than the sum of its proper divisors (1707704).

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

1552420 is a wasteful number, since it uses less digits than its factorization.

1552420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77630 (or 77628 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1552420 is about 1245.9614761300. The cubic root of 1552420 is about 115.7896504999.

Adding to 1552420 its reverse (242551), we get a palindrome (1794971).

The spelling of 1552420 in words is "one million, five hundred fifty-two thousand, four hundred twenty".