1428587298 has 24 divisors (see below), whose sum is σ = 3096129036. Its totient is φ = 476064000.

The previous prime is 1428587287. The next prime is 1428587309. The reversal of 1428587298 is 8927858241.

1428587298 is a `hidden beast` number, since 14 + 28 + 587 + 29 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1428587287) and next prime (1428587309).

It can be written as a sum of positive squares in 2 ways, for example, as 1426346289 + 2241009 = 37767^2 + 1497^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73398 + ... + 90798.

Almost surely, 2^1428587298 is an apocalyptic number.

1428587298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1428587298 is an abundant number, since it is smaller than the sum of its proper divisors (1667541738).

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

1428587298 is a wasteful number, since it uses less digits than its factorization.

1428587298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21970 (or 21967 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The square root of 1428587298 is about 37796.6572331470. The cubic root of 1428587298 is about 1126.2520507739.

The spelling of 1428587298 in words is "one billion, four hundred twenty-eight million, five hundred eighty-seven thousand, two hundred ninety-eight".