427198540 has 24 divisors (see below), whose sum is σ = 897824592. Its totient is φ = 170744640.

The previous prime is 427198531. The next prime is 427198543. The reversal of 427198540 is 45891724.

It is a junction number, because it is equal to n+sod(n) for n = 427198493 and 427198502.

It is not an unprimeable number, because it can be changed into a prime (427198543) 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 7 ways as a sum of consecutive naturals, for example, 19887 + ... + 35353.

It is an arithmetic number, because the mean of its divisors is an integer number (37409358).

Almost surely, 2^427198540 is an apocalyptic number.

It is an amenable number.

427198540 is an abundant number, since it is smaller than the sum of its proper divisors (470626052).

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

427198540 is a wasteful number, since it uses less digits than its factorization.

427198540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16857 (or 16855 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 427198540 is about 20668.7817734863. The cubic root of 427198540 is about 753.1415131908.

The spelling of 427198540 in words is "four hundred twenty-seven million, one hundred ninety-eight thousand, five hundred forty".