1945426 has 8 divisors (see below), whose sum is σ = 3335040. Its totient is φ = 833748.

The previous prime is 1945403. The next prime is 1945439. The reversal of 1945426 is 6245491.

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

It is a plaindrome in base 12.

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 in 3 ways as a sum of consecutive naturals, for example, 69466 + ... + 69493.

It is an arithmetic number, because the mean of its divisors is an integer number (416880).

2^1945426 is an apocalyptic number.

1945426 is a deficient number, since it is larger than the sum of its proper divisors (1389614).

1945426 is a wasteful number, since it uses less digits than its factorization.

1945426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138968.

The product of its digits is 8640, while the sum is 31.

The square root of 1945426 is about 1394.7852881358. The cubic root of 1945426 is about 124.8355383806.

The spelling of 1945426 in words is "one million, nine hundred forty-five thousand, four hundred twenty-six".