1506842 has 4 divisors (see below), whose sum is σ = 2260266. Its totient is φ = 753420.

The previous prime is 1506839. The next prime is 1506851. The reversal of 1506842 is 2486051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2486051 = 79 ⋅31469.

It can be written as a sum of positive squares in only one way, i.e., 942841 + 564001 = 971^2 + 751^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 376709 + ... + 376712.

2^1506842 is an apocalyptic number.

1506842 is a deficient number, since it is larger than the sum of its proper divisors (753424).

1506842 is an equidigital number, since it uses as much as digits as its factorization.

1506842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753423.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1506842 is about 1227.5349282200. The cubic root of 1506842 is about 114.6452077355.

The spelling of 1506842 in words is "one million, five hundred six thousand, eight hundred forty-two".