1426289894 has 8 divisors (see below), whose sum is σ = 2140538400. Its totient is φ = 712777096.

The previous prime is 1426289873. The next prime is 1426289911. The reversal of 1426289894 is 4989826241.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179054 + ... + 186849.

It is an arithmetic number, because the mean of its divisors is an integer number (267567300).

Almost surely, 2^1426289894 is an apocalyptic number.

1426289894 is a deficient number, since it is larger than the sum of its proper divisors (714248506).

1426289894 is a wasteful number, since it uses less digits than its factorization.

1426289894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367854.

The product of its digits is 1990656, while the sum is 53.

The square root of 1426289894 is about 37766.2533752026. The cubic root of 1426289894 is about 1125.6479938315.

The spelling of 1426289894 in words is "one billion, four hundred twenty-six million, two hundred eighty-nine thousand, eight hundred ninety-four".