1428854994 has 48 divisors (see below), whose sum is σ = 3610339200. Its totient is φ = 408242520.

The previous prime is 1428854971. The next prime is 1428855053. The reversal of 1428854994 is 4994588241.

It is a happy number.

1428854994 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 8 + 549 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1428854994.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109542 + ... + 121889.

It is an arithmetic number, because the mean of its divisors is an integer number (75215400).

Almost surely, 2^1428854994 is an apocalyptic number.

1428854994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1428854994 is an abundant number, since it is smaller than the sum of its proper divisors (2181484206).

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

1428854994 is a wasteful number, since it uses less digits than its factorization.

1428854994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231460 (or 231443 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 1428854994 is about 37800.1983328130. The cubic root of 1428854994 is about 1126.3223940050.

The spelling of 1428854994 in words is "one billion, four hundred twenty-eight million, eight hundred fifty-four thousand, nine hundred ninety-four".