1428587094 has 96 divisors (see below), whose sum is σ = 3256315776. Its totient is φ = 414305280.

The previous prime is 1428587081. The next prime is 1428587101. The reversal of 1428587094 is 4907858241.

It is a happy number.

It is a super-3 number, since 3×1428587094³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 8764257 + ... + 8764419.

It is an arithmetic number, because the mean of its divisors is an integer number (33919956).

Almost surely, 2^1428587094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428587094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1628157888).

1428587094 is an abundant number, since it is smaller than the sum of its proper divisors (1827728682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428587094 is a wasteful number, since it uses less digits than its factorization.

1428587094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 1428587094 is about 37796.6545344955. The cubic root of 1428587094 is about 1126.2519971649.

The spelling of 1428587094 in words is "one billion, four hundred twenty-eight million, five hundred eighty-seven thousand, ninety-four".