1552839 has 4 divisors (see below), whose sum is σ = 2070456. Its totient is φ = 1035224.

The previous prime is 1552819. The next prime is 1552843. The reversal of 1552839 is 9382551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1552839 - 2⁵ = 1552807 is a prime.

It is a super-2 number, since 2×1552839² = 4822617919842, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258804 + ... + 258809.

It is an arithmetic number, because the mean of its divisors is an integer number (517614).

2^1552839 is an apocalyptic number.

1552839 is a deficient number, since it is larger than the sum of its proper divisors (517617).

1552839 is an equidigital number, since it uses as much as digits as its factorization.

1552839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517616.

The product of its digits is 10800, while the sum is 33.

The square root of 1552839 is about 1246.1296080264. The cubic root of 1552839 is about 115.8000668176.

The spelling of 1552839 in words is "one million, five hundred fifty-two thousand, eight hundred thirty-nine".