1428953930 has 16 divisors (see below), whose sum is σ = 2594881224. Its totient is φ = 566522880.

The previous prime is 1428953923. The next prime is 1428953947. The reversal of 1428953930 is 393598241.

It can be written as a sum of positive squares in 4 ways, for example, as 937400689 + 491553241 = 30617^2 + 22171^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631151 + ... + 633410.

Almost surely, 2^1428953930 is an apocalyptic number.

1428953930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428953930 is a deficient number, since it is larger than the sum of its proper divisors (1165927294).

1428953930 is a wasteful number, since it uses less digits than its factorization.

1428953930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264681.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 1428953930 is about 37801.5069805425. The cubic root of 1428953930 is about 1126.3483894724.

The spelling of 1428953930 in words is "one billion, four hundred twenty-eight million, nine hundred fifty-three thousand, nine hundred thirty".