1550426 has 8 divisors (see below), whose sum is σ = 2339604. Its totient is φ = 770560.

The previous prime is 1550413. The next prime is 1550431. The reversal of 1550426 is 6240551.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 225625 = 1151^2 + 475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895 + ... + 2586.

2^1550426 is an apocalyptic number.

1550426 is a deficient number, since it is larger than the sum of its proper divisors (789178).

1550426 is a wasteful number, since it uses less digits than its factorization.

1550426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1550426 is about 1245.1610337623. The cubic root of 1550426 is about 115.7400540663.

Adding to 1550426 its reverse (6240551), we get a palindrome (7790977).

The spelling of 1550426 in words is "one million, five hundred fifty thousand, four hundred twenty-six".