1428887300 has 18 divisors (see below), whose sum is σ = 3100685658. Its totient is φ = 571554880.

The previous prime is 1428887297. The next prime is 1428887303. The reversal of 1428887300 is 37888241.

It is an interprime number because it is at equal distance from previous prime (1428887297) and next prime (1428887303).

It can be written as a sum of positive squares in 3 ways, for example, as 55591936 + 1373295364 = 7456^2 + 37058^2 .

It is a super-2 number, since 2×1428887300² = 4083437832202580000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1428887303) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7144337 + ... + 7144536.

Almost surely, 2^1428887300 is an apocalyptic number.

1428887300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428887300 is an abundant number, since it is smaller than the sum of its proper divisors (1671798358).

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

1428887300 is a wasteful number, since it uses less digits than its factorization.

1428887300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288887 (or 14288880 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 1428887300 is about 37800.6256561978. The cubic root of 1428887300 is about 1126.3308825493.

The spelling of 1428887300 in words is "one billion, four hundred twenty-eight million, eight hundred eighty-seven thousand, three hundred".