1434197898 has 48 divisors (see below), whose sum is σ = 3558010560. Its totient is φ = 409002048.

The previous prime is 1434197839. The next prime is 1434197909. The reversal of 1434197898 is 8987914341.

1434197898 is a `hidden beast` number, since 143 + 419 + 7 + 89 + 8 = 666.

It is a super-2 number, since 2×1434197898² = 4113847221255236808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58518 + ... + 79326.

It is an arithmetic number, because the mean of its divisors is an integer number (74125220).

Almost surely, 2^1434197898 is an apocalyptic number.

1434197898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1434197898 is an abundant number, since it is smaller than the sum of its proper divisors (2123812662).

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

1434197898 is a wasteful number, since it uses less digits than its factorization.

1434197898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21371 (or 21368 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 1434197898 is about 37870.8053518802. The cubic root of 1434197898 is about 1127.7245300241.

The spelling of 1434197898 in words is "one billion, four hundred thirty-four million, one hundred ninety-seven thousand, eight hundred ninety-eight".