1426550 has 24 divisors (see below), whose sum is σ = 2688816. Its totient is φ = 563040.

The previous prime is 1426543. The next prime is 1426553. The reversal of 1426550 is 556241.

It is a Curzon number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426553) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5012 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (112034).

2^1426550 is an apocalyptic number.

1426550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1426550 is a deficient number, since it is larger than the sum of its proper divisors (1262266).

1426550 is a wasteful number, since it uses less digits than its factorization.

1426550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 387 counting only the distinct ones).

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

The square root of 1426550 is about 1194.3826857419. The cubic root of 1426550 is about 112.5716416107.

The spelling of 1426550 in words is "one million, four hundred twenty-six thousand, five hundred fifty".